Microcontrollers
Products (319)
STM32F207ZGT6 - 32-bit ARM Cortex-M3 MCU, 1MB Flash | STMicroelectronics
The STM32F207ZGT6 is a high-performance 32-bit microcontroller from STMicroelectronics, based on the ARM Cortex-M3 core running at up to 120 MHz. It integrates 1 MB of Flash memory and 128 KB of SRAM, making it suitable for complex embedded applications requiring substantial code and data storage. The device is housed in a 144-pin LQFP package (LQFP144) with a 20x20 mm body, offering a rich set of peripherals and I/O capabilities. A microcontroller (MCU) is a compact integrated circuit designed to govern a specific operation in an embedded system. It contains a processor core, memory (Flash and SRAM), and programmable input/output peripherals. The STM32F207ZGT6 belongs to the STM32F2 series, which is part of the broader STM32 family of 32-bit Flash microcontrollers. This family is widely used in industrial control, consumer electronics, and IoT devices due to its balance of performance, power efficiency, and peripheral integration. Key features of the STM32F207ZGT6 include a 120 MHz ARM Cortex-M3 core with 1.25 DMIPS/MHz, 1 MB of Flash memory, 128 KB of SRAM, and a comprehensive set of peripherals: 3x 12-bit ADCs, 2x DACs, 4x USARTs, 2x UARTs, 3x SPI, 2x I2C, 2x CAN, 1x USB 2.0 OTG FS/HS, 1x Ethernet MAC, and a camera interface. It also features a flexible memory controller (FMC) for external memory expansion, a true random number generator (RNG), and a cryptographic acceleration cell for AES, DES, and 3DES. The STM32F207ZGT6 is built on a 90nm process technology, offering a good balance between performance and power consumption. It operates from a 1.8V to 3.6V power supply and supports a wide temperature range of -40°C to +85°C. The device includes multiple low-power modes (Sleep, Stop, Standby) to optimize energy consumption in battery-powered applications. Typical applications include industrial automation, motor control, medical devices, point-of-sale terminals, and IoT gateways. The Ethernet MAC and USB OTG support enable connectivity in networked systems, while the rich analog peripherals suit data acquisition and control loops. When designing with this MCU, ensure proper decoupling of the power supply pins and a stable clock source. The device supports external crystal oscillators (4-26 MHz) and an internal 16 MHz RC oscillator. For high-speed USB and Ethernet, an external 25 MHz crystal is recommended. The boot pins must be configured correctly for programming via USART or USB.
STM32F302CBT6 - 32-Bit ARM Cortex-M4 MCU 72MHz 128KB Flash | STMicroelectronics
The STM32F302CBT6 is a 32-bit ARM Cortex-M4 microcontroller from STMicroelectronics' STM32F3 series, featuring a 72 MHz CPU with DSP instructions and a floating-point unit (FPU). It integrates 128 KB of Flash memory and 32 KB of SRAM in a compact 48-pin LQFP (7x7 mm) package, making it suitable for a wide range of mixed-signal applications. A microcontroller (MCU) is a compact integrated circuit designed to govern a specific operation in an embedded system. It contains a processor core, memory, and programmable input/output peripherals. The STM32F302CBT6 belongs to the STM32F3 series, which is optimized for mixed-signal processing, combining an ARM Cortex-M4 core with advanced analog peripherals such as high-speed ADCs, operational amplifiers, and comparators. This positions it within the broader hierarchy of embedded processors, from general-purpose MCUs to application-specific system-on-chips. Key features include a 12-bit ADC with 5 MSPS sampling rate, programmable gain amplifiers (PGAs), and analog comparators, enabling precise analog signal conditioning without external components. The device also includes a memory protection unit (MPU) and a CCM (Core Coupled Memory) for real-time performance. The FPU accelerates floating-point calculations, which is critical for control algorithms and digital signal processing tasks. The STM32F302CBT6 is built on a high-performance ARM Cortex-M4 core with a 72 MHz clock, providing 90 DMIPS of processing power. The inclusion of DSP instructions and an FPU allows efficient execution of complex mathematical operations, making it ideal for motor control, power conversion, and audio processing. The device operates from a 2.0V to 3.6V supply and supports a temperature range of -40°C to +85°C. Typical applications include motor control for industrial drives, power management in renewable energy systems, and audio processing in consumer electronics. The high-speed ADC and analog peripherals make it particularly well-suited for applications requiring real-time analog signal acquisition and processing, such as digital power supplies and smart sensors. When designing with this device, ensure proper decoupling of the power supply pins and careful layout of the analog and digital grounds to minimize noise. The flexible clock tree allows the use of an external crystal or internal RC oscillator, providing design flexibility for cost-sensitive applications.
STM32F302R8T6 - 64MHz ARM Cortex-M4F MCU | STMicroelectronics
The STMicroelectronics STM32F302R8T6 is a 32-bit ARM Cortex-M4F microcontroller with floating-point unit (FPU), operating at up to 64 MHz. It is part of the STM32F3 series, designed for mixed-signal applications requiring high-performance analog peripherals. The device is housed in a 64-pin LQFP package and provides 64 KB of flash memory and 16 KB of SRAM. A microcontroller (MCU) is a compact integrated circuit designed to govern a specific operation in an embedded system. It contains a processor core, memory, and programmable input/output peripherals. The STM32F302R8T6 belongs to the STM32F3 family, which is optimized for analog and mixed-signal control applications, bridging the gap between general-purpose MCUs and digital signal processors (DSPs). Key features include a 64 MHz ARM Cortex-M4F core with FPU, 64 KB flash, 16 KB SRAM, and a rich set of analog peripherals: two 12-bit DACs, three 12-bit ADCs (up to 5 MSPS), and an operational amplifier. It also integrates a 16-bit advanced-control timer, multiple general-purpose timers, and a real-time clock. Communication interfaces include I2C, SPI, USART, and CAN, making it versatile for industrial and consumer applications. The STM32F302R8T6 leverages the ARM Cortex-M4F architecture with DSP instructions and a single-precision FPU, enabling efficient execution of complex algorithms. The device operates from a 2.0V to 3.6V power supply and supports a temperature range of -40°C to +85°C. Its advanced analog peripherals allow for high-resolution signal acquisition and generation, reducing external component count. Typical applications include motor control, power management, industrial automation, and consumer electronics. The combination of high-speed ADC, DAC, and op-amp makes it ideal for closed-loop control systems, such as field-oriented control (FOC) of brushless DC motors. The CAN interface supports robust communication in automotive and industrial networks. When designing with this MCU, ensure proper decoupling of the power supply pins and a stable clock source. The internal 8 MHz RC oscillator can be used for basic operation, but an external crystal is recommended for applications requiring precise timing. The device supports in-circuit programming and debugging via SWD, simplifying firmware development.
STM32F302RCT6 - 256KB Flash ARM Cortex-M4F MCU | STMicroelectronics
The STM32F302RCT6 is a 32-bit ARM Cortex-M4F microcontroller from STMicroelectronics, featuring a floating-point unit (FPU) and running at up to 72 MHz. It integrates 256 KB of flash memory and 40 KB of SRAM, making it suitable for a wide range of embedded control applications. The device is housed in a 64-pin LQFP package (LQFP64) and operates over a supply voltage range of 2.0V to 3.6V. What is a microcontroller? A microcontroller (MCU) is a compact integrated circuit designed to govern a specific operation in an embedded system. It contains a processor core, memory (flash and SRAM), and programmable input/output peripherals on a single chip. Microcontrollers are the backbone of modern embedded systems, from automotive engine control units to consumer electronics and industrial automation. The STM32F302RCT6 belongs to the STM32F3 series, which is optimized for mixed-signal control applications, combining an ARM Cortex-M4F core with advanced analog peripherals. Key features of the STM32F302RCT6 include a 12-bit ADC with up to 5 MSPS, two 12-bit DACs, three operational amplifiers, and a 16-bit advanced-control timer. It also provides multiple communication interfaces: I2C, SPI, USART, CAN, and USB. The device supports a temperature range of -40°C to +85°C and is available in a 64-pin LQFP package, which is suitable for space-constrained designs. The STM32F302RCT6 leverages the ARM Cortex-M4F core with DSP instructions and a single-precision FPU, enabling efficient execution of complex algorithms such as digital signal processing and motor control. The device includes a memory protection unit (MPU) and a nested vectored interrupt controller (NVIC) for real-time performance. Its advanced analog peripherals, including a 5 MSPS ADC and fast comparators, make it ideal for applications requiring high-speed data acquisition and precise control. Typical applications include motor control, power conversion, industrial automation, and consumer electronics. The device's rich analog feature set and CAN interface make it particularly well-suited for automotive and industrial control systems. Its low-power modes and wide operating voltage range also support battery-powered portable devices. When designing with the STM32F302RCT6, ensure proper decoupling of the power supply pins with 100 nF capacitors placed close to each VDD pin. The VDDA pin should be connected to a clean analog supply, and the VREF+ pin should be decoupled with a 1 µF capacitor. For reliable operation, the NRST pin should be pulled high with a 10 kΩ resistor and a 100 nF capacitor to ground.
STM32F303CBT6 - 32-bit ARM Cortex-M4 MCU, 256KB Flash | STMicroelectronics
The STMicroelectronics STM32F303CBT6 is a 32-bit ARM Cortex-M4F microcontroller with FPU, operating at up to 72 MHz. It features 256 KB of flash memory and 40 KB of SRAM, packaged in a 48-pin LQFP (7x7 mm) package. This device is part of the STM32F303x6/8/B family, designed for mixed-signal applications requiring high-performance analog peripherals. What is a microcontroller? A microcontroller (MCU) is a compact integrated circuit containing a processor core, memory, and programmable input/output peripherals on a single chip. It is the brain of embedded systems, executing firmware to control devices, process sensor data, and communicate with other systems. MCUs are categorized by their core architecture (e.g., ARM Cortex-M), memory size, and peripheral set, and are fundamental to applications ranging from consumer electronics to industrial automation. Key features of the STM32F303CBT6 include a 32-bit ARM Cortex-M4 core with FPU, 72 MHz maximum clock speed, 256 KB flash, 40 KB SRAM, and a rich set of analog peripherals: three 12-bit DACs, four 12-bit ADCs (up to 5 MSPS), seven fast comparators, and operational amplifiers. It also provides advanced timers, a 12-channel DMA controller, and multiple communication interfaces including I2C, SPI, USART, CAN, and USB. The device operates from 2.0V to 3.6V supply and over a -40°C to +85°C temperature range. The STM32F303CBT6 leverages the ARM Cortex-M4 core with single-precision FPU and DSP instructions, enabling efficient execution of complex algorithms such as motor control, digital signal processing, and sensor fusion. The high-speed ADCs (5 MSPS) and fast comparators (25 ns) make it particularly suited for real-time control loops and power conversion applications. Typical applications include motor control (field-oriented control of BLDC/PMSM motors), digital power conversion (SMPS, inverters), industrial automation (PLCs, sensors), medical devices (patient monitoring), and consumer electronics (audio processing, smart appliances). The combination of analog performance and digital processing capability allows designers to integrate multiple functions into a single MCU, reducing BOM cost and board space. When designing with this device, ensure proper decoupling of the VDD and VDDA pins with 100 nF and 4.7 uF capacitors, and connect the VCAP pin to ground with a 2.2 uF capacitor. The BOOT0 pin configuration determines boot source; leave it pulled low for normal flash boot. For high-speed ADC operation, use a stable reference voltage on VREF+ and minimize noise on the analog supply.
STM32F303CCT6 - 256KB Flash, 72MHz ARM Cortex-M4F MCU | STMicroelectronics
The STM32F303CCT6 is a 32-bit ARM Cortex-M4F microcontroller from STMicroelectronics, featuring a 72 MHz CPU with FPU and DSP instructions, 256 KB of Flash memory, and 40 KB of SRAM. It is housed in a 48-pin LQFP package (7x7 mm) and operates over a supply voltage range of 2.0V to 3.6V. This device is part of the STM32F303x6/x8 family, designed for mixed-signal applications requiring high-performance analog peripherals. A microcontroller (MCU) is a compact integrated circuit designed to govern a specific operation in an embedded system. It contains a processor core, memory, and programmable input/output peripherals. The STM32F303CCT6 belongs to the STM32F3 series, which is optimized for analog-intensive applications such as motor control, industrial sensors, and power management. The Cortex-M4F core adds a floating-point unit (FPU) and DSP instructions, enabling efficient handling of complex mathematical operations. Key features include a 72 MHz ARM Cortex-M4F core with FPU, 256 KB Flash, 40 KB SRAM, and a rich set of analog peripherals: three 12-bit ADCs (up to 5 MSPS), four 12-bit DACs, seven fast comparators, and programmable gain amplifiers (PGA). It also integrates advanced timers (up to 8 timers), a real-time clock (RTC), and multiple communication interfaces including I2C, SPI, USART, CAN, and USB. The device supports a temperature range of -40°C to +85°C and is available in a 48-pin LQFP package. The STM32F303CCT6 leverages ST's advanced 90nm process technology, providing a balance of performance and power efficiency. The Cortex-M4F core with FPU accelerates signal processing tasks, while the extensive analog peripherals reduce the need for external components. The device includes a memory protection unit (MPU), DMA controller, and a nested vectored interrupt controller (NVIC) for real-time responsiveness. Typical applications include motor control (field-oriented control), industrial automation, medical devices, and consumer electronics. The high-resolution ADCs and fast comparators make it ideal for closed-loop control systems, while the CAN interface supports automotive and industrial networking. The USB interface enables connectivity for data logging and firmware updates. When designing with this device, ensure proper decoupling of the VDD and VDDA pins with 100nF capacitors placed close to the pins. The VDDA pin must be connected to a clean analog supply to achieve the specified ADC performance. Use the internal voltage regulator with external capacitors as recommended in the datasheet to ensure stable operation.
STM32F303RCT6 - 256KB Flash, 72MHz ARM Cortex-M4 MCU | STMicroelectronics
The STM32F303RCT6 is a 32-bit ARM Cortex-M4F microcontroller from STMicroelectronics, featuring a 72 MHz CPU with FPU, 256 KB of Flash memory, and 40 KB of SRAM. It is part of the STM32F303 mixed-signal MCU family, designed for applications requiring advanced analog peripherals and digital signal processing. The device operates from 2.0V to 3.6V and is available in a 64-pin LQFP package. What is a microcontroller? A microcontroller (MCU) is a compact integrated circuit designed to govern a specific operation in an embedded system. It contains a processor core, memory (Flash and SRAM), and programmable input/output peripherals. In the system hierarchy, an MCU is a type of embedded processor, which falls under the broader category of integrated circuits. The STM32F303RCT6 is a high-performance MCU that combines a digital signal processing (DSP) instruction set with a floating-point unit (FPU), enabling efficient execution of complex algorithms. Key features of the STM32F303RCT6 include a 72 MHz ARM Cortex-M4 core with FPU, 256 KB Flash, 40 KB SRAM, and a rich set of analog peripherals: three 12-bit DACs, four 12-bit ADCs (up to 5 MSPS), seven fast comparators, and two operational amplifiers. It also offers advanced motor control timers, a true random number generator (RNG), and a cryptographic acceleration cell. The device supports a wide range of communication interfaces including I2C, SPI, USART, CAN, and USB. Technically, the STM32F303RCT6 is built on a 90nm process technology, providing a balance of performance and power efficiency. The Cortex-M4 core with FPU accelerates mathematical computations, making it suitable for real-time control and signal processing. The device includes a memory protection unit (MPU) and a nested vectored interrupt controller (NVIC) for deterministic interrupt handling. The analog peripherals are designed for high accuracy, with ADCs featuring oversampling and hardware oversampling to improve resolution. Typical applications include motor control (field-oriented control of brushless DC motors), industrial automation (PLC, sensors), medical devices (patient monitoring, infusion pumps), and consumer electronics (audio processing, smart home devices). The rich analog front-end and motor control timers make it particularly well-suited for variable speed drives and power conversion systems. When designing with the STM32F303RCT6, ensure proper decoupling of the power supply pins with 100nF capacitors placed close to each VDD pin. The VDDA pin should be connected to a clean analog supply, and the VREF+ pin should be connected to a stable reference voltage for accurate ADC conversions. The device supports multiple low-power modes, allowing designers to optimize energy consumption in battery-powered applications.
STM32F303RET6 - 512KB Flash, 72MHz ARM Cortex-M4F MCU | STMicroelectronics
The STMicroelectronics STM32F303RET6 is a high-performance ARM Cortex-M4F based 32-bit microcontroller with floating-point unit (FPU), operating at up to 72 MHz. It integrates 512 KB of flash memory and 80 KB of SRAM, making it suitable for a wide range of real-time control and signal processing applications. The device is housed in a 64-pin LQFP package (LQFP64) with a 10x10 mm body and 0.5 mm pitch, offering a compact footprint for space-constrained designs. What is a microcontroller? A microcontroller (MCU) is a compact integrated circuit designed to govern a specific operation in an embedded system. It contains a processor core, memory (flash and SRAM), and programmable input/output peripherals on a single chip. In the system hierarchy, a microcontroller is a type of embedded processor, which falls under the broader category of integrated circuits (ICs) and semiconductors. The STM32F303RET6 is a member of the STM32F3 series, which is optimized for mixed-signal control applications, combining analog and digital peripherals for efficient real-time processing. Key features of the STM32F303RET6 include a 72 MHz ARM Cortex-M4F core with FPU, 512 KB flash, 80 KB SRAM, and a rich set of peripherals: two advanced 12-bit ADCs (up to 5 MSPS), three 12-bit DACs, seven fast comparators, and multiple timers including two 32-bit timers. It also features a CAN controller, USB 2.0 full-speed device, USART, SPI, I2C, and an advanced motor control PWM timer. The device supports a supply voltage range of 2.0V to 3.6V and operates over a temperature range of -40°C to +85°C (industrial grade). Technically, the STM32F303RET6 leverages the ARM Cortex-M4F core with DSP instructions and a single-precision FPU, enabling efficient execution of complex algorithms such as FFT and motor control loops. The mixed-signal integration reduces external component count and system cost. The device includes a memory protection unit (MPU), DMA controller, and a nested vectored interrupt controller (NVIC) for deterministic real-time performance. Typical applications include motor control (field-oriented control of BLDC and PMSM motors), industrial automation (PLCs, sensors), medical devices (patient monitoring, infusion pumps), and consumer electronics (power tools, drones). The high-resolution ADCs and fast comparators make it ideal for power conversion and digital power control. When designing with this device, ensure proper decoupling of the VDD and VDDA pins with 100 nF and 4.7 uF capacitors placed close to the pins. The VDDA pin must be connected to a clean analog supply to achieve the specified ADC performance. Also, configure the boot pins correctly for programming and consider using the internal 8 MHz RC oscillator for cost-sensitive designs, though an external crystal is recommended for precise timing.
STM32F303VET6 - 512KB Flash, 72MHz ARM Cortex-M4F MCU | STMicroelectronics
The STMicroelectronics STM32F303VET6 is a high-performance ARM Cortex-M4F based microcontroller with floating-point unit (FPU), operating at up to 72 MHz. It features 512 KB of flash memory and 80 KB of SRAM, making it suitable for a wide range of real-time control and signal processing applications. The device is housed in a 100-pin LQFP package (LQFP100) with a 14x14 mm body and 0.5 mm pitch, offering a compact yet feature-rich solution for embedded systems. What is an ARM Cortex-M4F microcontroller? It is a 32-bit processor core designed for embedded applications that require a balance of performance, power efficiency, and advanced digital signal processing (DSP) capabilities. The 'F' suffix indicates the presence of a hardware floating-point unit (FPU), which accelerates single-precision floating-point arithmetic, essential for control loops, audio processing, and sensor fusion. In the system hierarchy, the STM32F303VET6 sits at the application processor level, integrating the CPU, memory, peripherals, and I/O on a single chip, reducing system cost and board space. Key features of the STM32F303VET6 include a 72 MHz ARM Cortex-M4F core with FPU, 512 KB flash, 80 KB SRAM, and a rich set of peripherals: two advanced 12-bit ADCs (up to 5 MSPS), three 12-bit DACs, seven comparators, four operational amplifiers, and a 12-channel DMA controller. It also integrates multiple communication interfaces: USART, SPI, I2C, CAN, USB, and SDIO. The device supports a supply voltage range of 2.0V to 3.6V and operates over a temperature range of -40°C to +85°C (industrial grade). The STM32F303VET6 is built on ST's advanced 90nm process technology, offering a good balance of performance and power consumption. The Cortex-M4F core with FPU and DSP instructions enables efficient execution of complex algorithms, such as PID control, FFT, and digital filtering. The device also features a memory protection unit (MPU) and a nested vectored interrupt controller (NVIC) for robust real-time operation. Typical applications include industrial motor control, power conversion, digital power supplies, three-phase inverters, medical devices, and audio processing. The high-speed ADCs and comparators make it ideal for fast closed-loop control systems, while the FPU accelerates mathematical computations. The device is also well-suited for IoT edge nodes that require local signal processing. When designing with the STM32F303VET6, ensure proper decoupling of the VDD and VDDA pins with 100nF and 4.7uF capacitors, and connect the VCAP pins to ground with 2.2uF capacitors for internal regulator stability. The BOOT0 pin configuration determines the boot source; a 10k pull-down resistor is recommended for normal flash boot. For high-speed ADC applications, use a low-impedance analog supply and reference to minimize noise.
STM32F303ZET6 - 512KB Flash ARM Cortex-M4F MCU | STMicroelectronics
The STMicroelectronics STM32F303ZET6 is a high-performance 32-bit ARM Cortex-M4F microcontroller with floating-point unit (FPU), operating at up to 72 MHz. It integrates 512 KB of flash memory and 64 KB of SRAM, making it suitable for complex control and signal processing applications. The device is housed in a 144-pin LQFP package (LQFP144) with a 20x20 mm body and 0.5 mm pitch, providing extensive I/O and peripheral connectivity. What is an ARM Cortex-M4F microcontroller? It is a 32-bit processor core designed for embedded control applications, featuring a floating-point unit (FPU) for efficient handling of mathematical operations, DSP instructions for digital signal processing, and a memory protection unit (MPU) for enhanced system reliability. The Cortex-M4F is part of the ARM Cortex-M family, which includes the M0, M0+, M3, M4, and M7 cores, each optimized for different performance and power trade-offs. In the system hierarchy, the microcontroller sits between the application software and the physical hardware, executing instructions and managing peripherals such as timers, ADCs, and communication interfaces. Key features of the STM32F303ZET6 include a 72 MHz maximum clock speed, 512 KB flash, 64 KB SRAM, and a rich set of peripherals: 4x 12-bit ADCs with up to 5 MSPS, 2x 12-bit DACs, 7x comparators, 4x operational amplifiers, 3x 16-bit advanced-control timers, 2x 32-bit timers, and multiple communication interfaces (SPI, I2C, USART, CAN, USB). The device also features a true random number generator (RNG), a CRC calculation unit, and a 12-channel DMA controller. The FPU accelerates single-precision floating-point arithmetic, which is critical for control loops and sensor fusion algorithms. Technically, the STM32F303ZET6 is built on a 90nm process technology, offering a balance of performance and power efficiency. It operates from a 2.0V to 3.6V supply and features multiple low-power modes (Sleep, Stop, Standby) to minimize energy consumption in battery-powered designs. The device includes a comprehensive clock system with an internal 8 MHz RC oscillator, an internal 32 kHz RC oscillator, and support for external crystals up to 32 MHz. The ADC can operate in dual or triple interleaved mode to achieve higher sampling rates, and the comparators and op-amps enable analog signal conditioning without external components. Typical applications include motor control (field-oriented control of brushless DC motors), industrial automation (PLC, sensors, actuators), medical devices (patient monitoring, infusion pumps), and consumer electronics (audio processing, smart home controllers). The combination of analog peripherals and DSP capabilities makes it ideal for applications requiring both signal conditioning and real-time control. When designing with this device, ensure adequate decoupling of the power supply pins (VDD, VDDA) with 100nF and 4.7uF capacitors placed close to the pins. The VDDA pin must be connected to a clean analog supply to achieve the specified ADC accuracy. Also, configure the boot pins correctly to select the desired boot source (flash, system memory, or SRAM) during development.
STM32F334C8T6 - 32-bit ARM Cortex-M4 MCU with FPU | STMicroelectronics
The STMicroelectronics STM32F334C8T6 is a 32-bit ARM Cortex-M4 microcontroller with floating-point unit (FPU) operating at up to 72 MHz. It is part of the STM32F3 series, designed for advanced motor control, digital power conversion, and industrial applications. The device features 64 KB of Flash memory and 12 KB of SRAM, packaged in a 48-pin LQFP (7x7 mm) package. A microcontroller (MCU) is a compact integrated circuit designed to govern a specific operation in an embedded system. It contains a processor core, memory, and programmable input/output peripherals. The STM32F334C8T6 belongs to the STM32F3 family, which is optimized for mixed-signal control applications, combining a high-performance ARM Cortex-M4 core with advanced analog peripherals such as high-resolution timers, comparators, and operational amplifiers. Key features include a 72 MHz ARM Cortex-M4 core with FPU, 64 KB Flash, 12 KB SRAM, and a rich set of peripherals: 5x USART, 2x SPI, 2x I2C, 1x USB 2.0 FS, 1x CAN, 12-bit ADC with up to 21 channels, 12-bit DAC, and advanced 16-bit timers with dead-time generation for motor control. The device also includes a high-resolution timer (HRTIM) with 217 ps resolution, making it ideal for digital power conversion and lighting applications. The STM32F334C8T6 integrates a nested vectored interrupt controller (NVIC), a memory protection unit (MPU), and a single-cycle multiply and hardware divide. The FPU accelerates mathematical operations for control algorithms, while the advanced analog peripherals reduce external component count. The device operates from 2.0V to 3.6V supply and supports a temperature range of -40°C to +85°C. Typical applications include field-oriented control (FOC) of brushless DC motors, digital power supplies (buck, boost, flyback), solar inverters, LED lighting, and industrial automation. The high-resolution timer and fast ADC enable precise current and voltage sensing for closed-loop control. When designing with this MCU, ensure proper decoupling of the VDD pins with 100 nF capacitors and a 4.7 uF bulk capacitor. The VDDA pin must be connected to a clean analog supply, and the VREF+ pin should be filtered to achieve optimal ADC accuracy. For motor control, use the HRTIM and ADC in interleaved mode to minimize latency.
STM32F334R8T6 - 64KB Flash ARM Cortex-M4 MCU | STMicroelectronics
The STM32F334R8T6 is a 32-bit ARM Cortex-M4 microcontroller from STMicroelectronics, featuring a floating-point unit (FPU) and a maximum clock speed of 72 MHz. It is part of the STM32F3 series, specifically designed for advanced motor control and digital power conversion applications. The device is housed in a 64-pin LQFP package (LQFP64) and offers 64 KB of flash memory and 12 KB of SRAM. A microcontroller (MCU) is a compact integrated circuit designed to govern a specific operation in an embedded system. It contains a processor core, memory, and programmable input/output peripherals. The STM32F334R8T6 belongs to the STM32F3 family, which is optimized for mixed-signal processing and control applications. Within the hierarchy, it is a microcontroller -> ARM Cortex-M4 -> STM32F3 series -> STM32F334 line, positioning it as a high-performance yet cost-effective solution for real-time control. Key features include a 72 MHz ARM Cortex-M4 core with FPU, 64 KB flash, 12 KB SRAM, and a rich set of peripherals: three 12-bit ADCs (up to 5 MSPS), two 12-bit DACs, seven comparators, and advanced timers including a high-resolution timer (HRTIM) with 217 ps resolution. The device also supports a CAN controller, USART, SPI, I2C, and USB. These features make it ideal for digital power conversion, motor control, and industrial automation. Technically, the STM32F334R8T6 leverages the ARM Cortex-M4 architecture with DSP instructions and a single-precision FPU, enabling efficient execution of complex control algorithms. The HRTIM is a standout feature, providing high-resolution PWM generation essential for switch-mode power supplies and motor drives. The device operates from 2.0V to 3.6V and supports a temperature range of -40°C to +85°C, ensuring robust performance in harsh environments. Typical applications include digital power supplies, three-phase motor control, solar inverters, and industrial automation. The combination of high-resolution timers, fast ADCs, and comparators allows for precise, real-time control loops. For instance, in a digital power supply, the HRTIM generates PWM signals with nanosecond-level accuracy, while the fast ADC samples the output voltage for closed-loop regulation. When designing with this MCU, ensure proper decoupling of the power supply pins and a clean ground plane to minimize noise, especially when using the high-resolution timer and ADC simultaneously. The device supports SWD and JTAG debugging, facilitating development. Consider using the STM32CubeF3 software package for rapid prototyping and code generation.
STM32F358RCT6 - 256KB Flash ARM Cortex-M4F MCU | STMicroelectronics
The STM32F358RCT6 is a high-performance 32-bit microcontroller from STMicroelectronics, based on the ARM Cortex-M4F core with floating-point unit (FPU). It operates at a maximum frequency of 72 MHz and provides 256 KB of flash memory and 48 KB of SRAM. The device is housed in a 64-pin LQFP package (LQFP64) and is designed for a wide range of embedded applications requiring advanced analog features and digital signal processing. What is a microcontroller? A microcontroller (MCU) is a compact integrated circuit designed to govern a specific operation in an embedded system. It integrates a processor core, memory (flash and SRAM), and programmable input/output peripherals on a single chip. Microcontrollers are the backbone of embedded systems, enabling control, monitoring, and communication in applications ranging from consumer electronics to industrial automation. The STM32F358RCT6 belongs to the STM32F3 series, which is optimized for mixed-signal processing, combining a powerful Cortex-M4F core with advanced analog peripherals such as operational amplifiers, comparators, and a 12-bit ADC with up to 5 MSPS. Key features of the STM32F358RCT6 include a 72 MHz ARM Cortex-M4F core with FPU, 256 KB flash, 48 KB SRAM, and a rich set of peripherals: three 12-bit ADCs (up to 5 MSPS), two 12-bit DACs, three operational amplifiers, two comparators, multiple timers (including advanced-control timers), and a wide range of communication interfaces (I2C, SPI, USART, CAN, USB). The device also features a memory protection unit (MPU), a DMA controller, and a CRC calculation unit. These features make it suitable for applications requiring precise analog measurement and real-time control. Technically, the STM32F358RCT6 is built on a 90nm process technology, offering a balance between performance and power consumption. The Cortex-M4F core includes a single-precision FPU and DSP instructions, enabling efficient execution of complex algorithms such as digital filters and motor control loops. The device supports a supply voltage range of 2.0V to 3.6V and operates over a temperature range of -40°C to +85°C. The LQFP64 package provides 51 GPIOs, with many pins multiplexed to support alternate functions. Typical applications include motor control (e.g., field-oriented control of brushless DC motors), industrial automation (PLC, sensors), medical devices (patient monitoring), and consumer electronics (smart home hubs). The advanced analog peripherals make it particularly well-suited for applications requiring high-resolution analog-to-digital conversion and signal conditioning. When designing with the STM32F358RCT6, ensure proper decoupling of the power supply pins with 100nF capacitors placed close to each VDD pin, and a 4.7uF bulk capacitor. The VDDA pin must be connected to a clean analog supply, and VREF+ should be decoupled with a 1uF capacitor. For ADC accuracy, use a low-impedance source and consider adding a small RC filter on analog inputs.
STM32F373RCT6 - ARM Cortex-M4 256KB Flash MCU | STMicroelectronics
The STMicroelectronics STM32F373RCT6 is a high-performance 32-bit microcontroller based on the ARM Cortex-M4 core with FPU, operating at up to 72 MHz. It features 256 KB of Flash memory and 32 KB of SRAM, making it suitable for a wide range of embedded applications requiring advanced analog capabilities and digital signal processing. A microcontroller (MCU) is a compact integrated circuit designed to govern a specific operation in an embedded system. It contains a processor core, memory, and programmable input/output peripherals. The STM32F373 series is part of the STM32F3 family, which combines the Cortex-M4 core with a rich set of analog peripherals, including a 16-bit ADC, a 12-bit DAC, and operational amplifiers, enabling high-precision measurement and control. Key features of the STM32F373RCT6 include a 16-bit advanced analog-to-digital converter (ADC) with oversampling, a 12-bit digital-to-analog converter (DAC), three operational amplifiers, and a comparator. It also integrates a 72 MHz ARM Cortex-M4 core with floating-point unit (FPU) for efficient signal processing. The device supports a wide supply voltage range of 2.0V to 3.6V and operates over a temperature range of -40°C to +85°C. The STM32F373RCT6 is built on a 90nm process technology, offering a balance of performance and power efficiency. The Cortex-M4 core with FPU accelerates mathematical computations, making it ideal for applications requiring real-time digital filtering, motor control, and sensor fusion. The device includes a memory protection unit (MPU) and a nested vectored interrupt controller (NVIC) for robust real-time performance. Typical applications include industrial control systems, motor drives, power management, medical devices, and consumer electronics. The high-resolution ADC and operational amplifiers make it particularly suited for precision measurement and sensor interfacing. The device also supports various communication interfaces, including I2C, SPI, USART, CAN, and USB, enabling seamless connectivity. When designing with the STM32F373RCT6, ensure proper decoupling of the power supply pins with 100nF capacitors placed close to the VDD pins. The VDDA pin should be connected to a clean analog supply, and the VREF+ pin should be decoupled with a 1uF capacitor to ensure ADC accuracy. The device supports multiple clock sources, including an external crystal oscillator up to 32 MHz and an internal 8 MHz RC oscillator.
STM32F373VCT6 - ARM Cortex-M4 256KB Flash MCU | STMicroelectronics
The STMicroelectronics STM32F373VCT6 is a high-performance 32-bit microcontroller based on the ARM Cortex-M4 core with FPU, operating at up to 72 MHz. It integrates 256 KB of Flash memory and 32 KB of SRAM, along with a rich set of analog and digital peripherals, making it ideal for industrial control, motor control, and precision measurement applications. The device is housed in a 100-pin LQFP package (14x14 mm) and operates over a supply voltage range of 2.0V to 3.6V. What is an ARM Cortex-M4 microcontroller? It is a 32-bit processor core designed for embedded systems, featuring a single-cycle multiply-accumulate (MAC) unit, hardware divide, and optional single-precision floating-point unit (FPU). The Cortex-M4 is part of the ARM Cortex-M family, which includes the M0, M0+, M3, M4, and M7 cores, each offering different performance and power trade-offs. In the hierarchy of embedded processing, the Cortex-M4 sits above the M3 in DSP capability and below the M7 in raw performance, making it a popular choice for applications requiring both control and signal processing. Key features of the STM32F373VCT6 include a 16-bit advanced motor-control timer, two 12-bit DACs, three 16-bit sigma-delta ADCs (with up to 21 channels), and a 12-bit ADC with up to 16 channels. It also provides multiple communication interfaces: two I2C, three USARTs, two SPIs, one CAN, and one USB 2.0 full-speed device. The device supports a wide range of clock sources, including an internal 8 MHz RC oscillator, an external 4-32 MHz crystal, and a 32 kHz RTC oscillator. The STM32F373VCT6 is built on ST's advanced 90nm process technology, offering low power consumption with multiple low-power modes (Sleep, Stop, Standby). The integrated FPU accelerates floating-point arithmetic, which is beneficial for control algorithms and sensor data processing. The sigma-delta ADCs provide high-resolution measurement capabilities, making the device suitable for precision instrumentation and energy metering. Typical applications include motor control (e.g., field-oriented control of brushless DC motors), industrial automation (PLC, sensors), medical devices (patient monitoring), and smart grid (energy metering). The combination of high-resolution ADCs, DACs, and advanced timers enables precise analog signal generation and measurement. When designing with this device, ensure proper decoupling of the VDD and VDDA pins with 100nF capacitors placed close to the pins. The VDDA pin must be connected to a clean analog supply to achieve the specified ADC performance. Also, consider the use of the internal voltage regulator and the recommended external capacitor on VCAP pins for stable core voltage.
STM32F378RCT6 - ARM Cortex-M4F MCU 256KB Flash | STMicroelectronics
The STM32F378RCT6 is a 32-bit ARM Cortex-M4F microcontroller from STMicroelectronics, featuring a floating-point unit (FPU) and running at up to 72 MHz. It integrates 256 KB of flash memory and 32 KB of SRAM, along with a rich set of analog peripherals including a 16-bit ADC, a 12-bit DAC, and multiple comparators and operational amplifiers. The device is housed in a 64-pin LQFP package (LQFP64) and operates over a supply voltage range of 2.0V to 3.6V, with an extended temperature range of -40°C to +85°C. A microcontroller (MCU) is a compact integrated circuit designed to govern a specific operation in an embedded system. It contains a processor core, memory (flash and SRAM), and programmable input/output peripherals on a single chip. The STM32F378RCT6 belongs to the STM32F3 series, which is optimized for mixed-signal applications requiring high-performance analog capabilities alongside digital control. As a member of the ARM Cortex-M4F family, it provides DSP instructions and a hardware FPU, making it suitable for real-time control and signal processing tasks. Key features of the STM32F378RCT6 include a 16-bit ADC with up to 5 MSPS sampling rate, a 12-bit DAC with two channels, and an advanced 16-bit timer with dead-time generation for motor control. The device also supports multiple communication interfaces: USART, SPI, I2C, CAN, and USB 2.0 full-speed. With its high-resolution analog peripherals and flexible timing, it is ideal for applications such as industrial control, motor drives, and smart sensors. The STM32F378RCT6 is built on a 90nm process technology, offering a balance between performance and power consumption. It includes a nested vectored interrupt controller (NVIC) for efficient interrupt handling and a memory protection unit (MPU) for enhanced system reliability. The device supports a wide range of clock sources, including an internal 8 MHz RC oscillator, an external crystal, and a PLL for frequency multiplication. Typical applications include industrial automation, motor control, power conversion, and medical monitoring devices. The high-resolution ADC and DAC make it particularly well-suited for precision measurement and control loops. The device also supports a comprehensive set of development tools, including the STM32CubeMX configuration tool and the STM32CubeF3 firmware library. When designing with the STM32F378RCT6, ensure proper decoupling of the power supply pins with 100nF capacitors placed close to each VDD pin. The VDDA pin should be connected to a clean analog supply, and the VREF+ pin should be bypassed with a 1uF capacitor for stable ADC reference. For optimal performance, use the internal voltage regulator in the recommended configuration and follow the layout guidelines in the datasheet.
STM32F401CDU6 - ARM Cortex-M4F MCU 84MHz 384KB Flash | STMicroelectronics
The STM32F401CDU6 is a high-performance ARM Cortex-M4F based microcontroller from STMicroelectronics, operating at up to 84 MHz with 384 KB of Flash memory and 96 KB of SRAM. It is housed in a 48-pin UFQFPN package (7x7 mm) and is part of the STM32F4 series, which is renowned for its balance of performance, power efficiency, and rich peripheral set. This MCU is designed for a wide range of applications, including industrial control, consumer electronics, IoT devices, and motor control, where a compact footprint and low power consumption are critical. An ARM Cortex-M4F microcontroller is a 32-bit processor core that includes a floating-point unit (FPU) and DSP instructions, making it suitable for applications requiring real-time signal processing and mathematical computations. The Cortex-M4F is part of the ARM Cortex-M family, which is widely used in embedded systems due to its energy efficiency and ease of development. The STM32F401CDU6 integrates this core with a comprehensive set of peripherals, including multiple USARTs, SPIs, I2Cs, ADCs, timers, and GPIOs, enabling it to serve as the central processing unit in complex embedded designs. Key features of the STM32F401CDU6 include a maximum CPU frequency of 84 MHz, 384 KB of Flash memory, 96 KB of SRAM, and a rich set of communication interfaces: 3 USARTs, 4 SPIs, 3 I2Cs, and a USB 2.0 OTG FS. It also features a 12-bit ADC with up to 16 channels, 11 timers, and a random number generator (RNG). The device operates from a 1.7V to 3.6V power supply and supports a temperature range of -40°C to +85°C. The UFQFPN-48 package offers a compact solution with excellent thermal performance, making it ideal for space-constrained designs. From a technical depth perspective, the STM32F401CDU6 is built on a 90nm process technology, which contributes to its low power consumption and high performance. The Cortex-M4F core includes a single-precision FPU and DSP instructions, enabling efficient execution of complex algorithms. The device also features a memory protection unit (MPU) for enhanced security and reliability. The STM32F401CDU6 supports a wide range of clock sources, including an external crystal, internal RC oscillators, and a PLL, allowing designers to optimize the clock configuration for their specific application. Typical applications for the STM32F401CDU6 include industrial automation, where its robust communication interfaces and timers are used for motor control and process monitoring; consumer electronics, such as smart home devices and wearables, where its low power modes and compact package are advantageous; and IoT edge nodes, where its connectivity options and processing power enable data acquisition and local decision-making. The device is also well-suited for audio processing, thanks to its FPU and DSP capabilities. When designing with the STM32F401CDU6, it is essential to provide adequate decoupling capacitors on the power supply pins and to follow the recommended PCB layout guidelines in the datasheet to ensure stable operation. The device supports multiple low-power modes, including Sleep, Stop, and Standby, which can be leveraged to minimize power consumption in battery-powered applications. Additionally, the STM32F401CDU6 is supported by the STM32Cube ecosystem, including HAL libraries and development tools, which accelerates firmware development and reduces time-to-market.
STM32F401CEU6 - 256KB Flash ARM Cortex-M4 MCU | STMicroelectronics
The STM32F401CEU6 is a high-performance ARM Cortex-M4 32-bit microcontroller from STMicroelectronics, featuring a floating-point unit (FPU) running at up to 84 MHz. It integrates 256 KB of Flash memory and 64 KB of SRAM, making it suitable for a wide range of embedded applications. The device is housed in a 48-pin UFQFPN package (7x7 mm) and operates over a supply voltage range of 1.7V to 3.6V. An ARM Cortex-M4 microcontroller is a 32-bit processor core designed for embedded systems, offering a balance of performance, power efficiency, and advanced features such as a single-cycle multiply-accumulate (MAC) instruction and a hardware floating-point unit. The Cortex-M4 core is part of the ARM Cortex-M family, which includes the M0, M0+, M3, M4, and M7 variants, each targeting different performance and power requirements. The STM32F401CEU6 leverages the Cortex-M4's DSP instructions and FPU to accelerate signal processing tasks, making it ideal for applications requiring real-time computation. Key features of the STM32F401CEU6 include an 84 MHz maximum CPU frequency, 256 KB Flash, 64 KB SRAM, and a rich set of peripherals: 3 USARTs, 4 I2Cs, 3 SPIs, 1 SDIO, 1 USB 2.0 OTG FS, 1 CAN, 12-bit ADC with 16 channels, and multiple timers including advanced-control timers. The device also supports a comprehensive set of low-power modes (Sleep, Stop, Standby) and features a true random number generator (RNG) and a real-time clock (RTC). The STM32F401CEU6 is built on ST's advanced 90nm process technology, offering a good balance between performance and power consumption. The Cortex-M4 core with FPU enables efficient execution of complex algorithms, while the ART Accelerator™ allows zero-wait-state execution from Flash, maximizing throughput. The device also includes a memory protection unit (MPU) for enhanced safety and security. Typical applications include industrial control, motor drives, consumer electronics, IoT devices, and portable medical equipment. Its combination of processing power, memory, and peripheral integration makes it a versatile choice for many embedded designs. When designing with this device, ensure proper decoupling of the power supply pins and consider the thermal characteristics of the UFQFPN package. The device supports in-circuit programming and debugging via SWD, and a comprehensive ecosystem of development tools and libraries is available from STMicroelectronics.
STM32F401RBT6 - ARM Cortex-M4 84MHz MCU | STMicroelectronics
The STMicroelectronics STM32F401RBT6 is a high-performance ARM Cortex-M4 32-bit microcontroller with floating-point unit (FPU) operating at up to 84 MHz. It is part of the STM32F4 series, designed for embedded applications requiring efficient processing, rich connectivity, and low power consumption. The device is housed in a 64-pin LQFP package (10x10 mm) and provides 128 KB of Flash memory and 64 KB of SRAM. What is a microcontroller (MCU)? A microcontroller is a compact integrated circuit designed to govern a specific operation in an embedded system. It integrates a processor core, memory (Flash and SRAM), and programmable input/output peripherals on a single chip. In the system hierarchy, an MCU is a type of embedded processor, which falls under the broader category of integrated circuits. The STM32F401RBT6 is a mid-range MCU in the STM32F4 family, positioned between the entry-level STM32F0 and the high-performance STM32F7 series, offering a balance of performance, power efficiency, and cost. Key features of the STM32F401RBT6 include an ARM Cortex-M4 core with FPU, 84 MHz maximum clock speed, 128 KB Flash, 64 KB SRAM, and a rich set of peripherals: 3 USARTs, 4 SPIs, 3 I2Cs, 1 USB 2.0 OTG FS, 1 SDIO, 1 ADC (12-bit, 16 channels), and multiple timers. It operates from a 1.7V to 3.6V power supply and supports a temperature range of -40°C to +85°C. The device includes a 12-bit ADC with up to 16 channels, enabling precise analog signal acquisition. It also features a true random number generator (RNG) and a CRC calculation unit for data integrity. Technically, the STM32F401RBT6 is built on a 90nm process technology, offering a good balance of performance and power consumption. The Cortex-M4 core with FPU accelerates mathematical computations, making it suitable for DSP and control applications. The device supports multiple low-power modes (Sleep, Stop, Standby) to optimize energy consumption in battery-powered designs. The LQFP64 package provides 50 GPIOs, with many pins multiplexed to support various peripheral functions, offering design flexibility. Typical applications include industrial control systems, motor drives, consumer electronics, IoT devices, and medical monitoring equipment. Its combination of processing power, peripheral set, and low-power modes makes it ideal for applications requiring real-time control and connectivity. For example, in a smart home gateway, the STM32F401RBT6 can manage sensor data acquisition, run communication protocols (e.g., Zigbee, Bluetooth), and control actuators. When designing with this MCU, ensure proper decoupling of the power supply pins with 100nF capacitors placed close to each VDD pin, and a 4.7uF bulk capacitor. The VDDA pin should be filtered with a ferrite bead and capacitor to reduce analog noise. Also, configure the clock source (HSE or HSI) appropriately and use the PLL to achieve the desired system clock. For low-power applications, utilize the Stop and Standby modes with wake-up sources like RTC or external interrupts.
STM32F401RDT6 - 84MHz ARM Cortex-M4F MCU, 512KB Flash | STMicroelectronics
The STM32F401RDT6 is a high-performance ARM Cortex-M4F based microcontroller from STMicroelectronics, operating at up to 84 MHz with 512 KB of Flash memory and 96 KB of SRAM. It is housed in a 64-pin LQFP package (LQFP64, 10x10 mm) and is part of the STM32F4 series, which is renowned for its balance of performance, power efficiency, and rich peripheral set. The device integrates a floating-point unit (FPU) for DSP and math-intensive tasks, making it suitable for a wide range of embedded applications. What is a microcontroller? A microcontroller (MCU) is a compact integrated circuit designed to govern a specific operation in an embedded system. It contains a processor core, memory (Flash and SRAM), and programmable input/output peripherals on a single chip. The STM32F401RDT6 belongs to the STM32F4 family, which is part of the broader STM32 32-bit ARM Cortex-M microcontroller portfolio. This hierarchy places it within the ARM Cortex-M4F category, known for its DSP instructions and single-precision floating-point unit, enabling efficient signal processing and control tasks. Key features of the STM32F401RDT6 include an ARM Cortex-M4F core with FPU, 512 KB of Flash memory, 96 KB of SRAM, and a comprehensive set of peripherals: multiple USARTs, SPIs, I2Cs, ADCs, timers, and a USB 2.0 OTG FS interface. It supports a wide supply voltage range of 1.7V to 3.6V and operates over a temperature range of -40°C to +85°C. The device also features a rich set of low-power modes, including Sleep, Stop, and Standby, making it suitable for battery-powered applications. Technically, the STM32F401RDT6 is built on a 90nm process technology, offering a good balance between performance and power consumption. The Cortex-M4F core with FPU accelerates mathematical computations, while the ART Accelerator™ enables zero-wait-state execution from Flash memory, improving real-time performance. The device includes a 12-bit ADC with up to 16 channels, advanced timers for PWM generation, and a DMA controller for efficient data transfer without CPU intervention. Typical applications include industrial control systems, motor drives, consumer electronics, IoT devices, and medical monitoring equipment. Its rich peripheral set and FPU make it ideal for applications requiring real-time signal processing, such as audio processing, sensor fusion, and closed-loop control. The USB OTG interface enables direct connectivity to hosts or peripherals, simplifying system design. When designing with this MCU, ensure proper decoupling of the power supply pins with 100nF capacitors placed close to each VDD pin, and a 4.7uF bulk capacitor. The VDDA pin should be connected to a clean analog supply, and the VREF+ pin to a stable reference voltage for accurate ADC conversions. Also, consider the crystal oscillator layout for the HSE to minimize noise and ensure reliable startup.
STM32F401RET6 - 84MHz ARM Cortex-M4 MCU, 512KB Flash | STMicroelectronics
The STMicroelectronics STM32F401RET6 is a high-performance ARM Cortex-M4 32-bit microcontroller with floating-point unit (FPU), operating at up to 84 MHz. It features 512 KB of flash memory and 96 KB of SRAM, making it suitable for a wide range of embedded applications. The device is housed in a 64-pin LQFP package (LQFP64) with a 10x10 mm body and 0.5 mm pitch, providing a compact footprint for space-constrained designs. What is a microcontroller? A microcontroller (MCU) is a compact integrated circuit designed to govern a specific operation in an embedded system. It integrates a processor core, memory (flash and SRAM), and programmable input/output peripherals on a single chip. In the system hierarchy, an MCU sits between a microprocessor (which typically requires external memory and peripherals) and a system-on-chip (SoC) that may include more complex subsystems. The STM32F401RET6 belongs to the STM32F4 series, which is part of the broader STM32 family of 32-bit ARM Cortex-M microcontrollers, known for their balance of performance, power efficiency, and peripheral richness. Key features of the STM32F401RET6 include an ARM Cortex-M4 core with FPU, 84 MHz maximum clock speed, 512 KB flash, 96 KB SRAM, and a rich set of peripherals: 3 USARTs, 4 SPIs, 3 I2Cs, 1 SDIO, 1 USB 2.0 OTG FS, 1 CAN, 12-bit ADC with 16 channels, and multiple timers including advanced-control timers. The device operates from a 1.7V to 3.6V power supply and supports a temperature range of -40°C to +85°C (T suffix). It includes a variety of low-power modes (Sleep, Stop, Standby) for battery-powered applications. Technically, the STM32F401RET6 is built on a 90nm process technology, offering a good balance of performance and power consumption. The Cortex-M4 core with FPU accelerates mathematical computations, making it ideal for digital signal processing (DSP) tasks. The device supports a comprehensive set of development tools, including STM32CubeMX, STM32CubeIDE, and the HAL library, which streamline firmware development. The memory architecture includes a flexible external memory controller (FMC) for expanding memory beyond the internal flash and SRAM. Typical applications include industrial control systems, motor drives, consumer electronics, IoT devices, and medical equipment. The combination of high clock speed, ample memory, and rich peripherals makes it a versatile choice for applications requiring real-time processing and connectivity. For example, in an IoT gateway, the STM32F401RET6 can manage sensor data acquisition, process it with the FPU, and communicate via USB or CAN. When designing with this device, ensure proper decoupling of the power supply pins with 100nF capacitors placed close to each VDD pin, and a 4.7uF bulk capacitor. The VDDA pin should be connected to a clean analog supply, and the VREF+ pin to a stable reference voltage for accurate ADC conversions. The BOOT0 pin configuration determines the boot source; a 10kΩ pull-down resistor is recommended for booting from flash. Also, consider the thermal performance: the LQFP64 package has a thermal resistance (theta_JA) of approximately 45°C/W, so for high-current applications, adequate PCB copper area is needed.
STM32F405RGT6 - 168MHz Cortex-M4F MCU, 1MB Flash | ST
The STM32F405RGT6 is a high-performance 32-bit microcontroller from STMicroelectronics, built around the ARM Cortex-M4 core with a floating-point unit (FPU) and a full set of DSP instructions. Operating at up to 168 MHz, it delivers 210 DMIPS and 1.25 DMIPS/MHz, making it suitable for demanding real-time control and signal processing applications. The device integrates 1 MB of Flash memory and 192 KB of SRAM, along with a rich set of peripherals including advanced timers, ADCs, DACs, and multiple communication interfaces. A microcontroller (MCU) is a compact integrated circuit designed to govern a specific operation in an embedded system. It contains a processor core, memory, and programmable input/output peripherals on a single chip. The STM32F405RGT6 belongs to the STM32F4 series, which is part of the broader STM32 family of 32-bit Flash microcontrollers. This family is widely used in industrial, consumer, and automotive applications due to its balance of performance, power efficiency, and peripheral integration. Key features of the STM32F405RGT6 include a 168 MHz Cortex-M4F core with single-precision FPU, 1 MB of Flash, 192 KB of SRAM, and a memory protection unit (MPU). It offers up to 51 GPIOs, 3×12-bit ADCs, 2×12-bit DACs, 12×16-bit timers, and 2×32-bit timers. Communication interfaces include 3×I2C, 4×USART, 2×UART, 3×SPI, 2×CAN, 1×USB 2.0 OTG FS/HS, and 1×SDIO. The device operates from 1.8V to 3.6V and is available in a 64-pin LQFP package. The STM32F405RGT6 uses a 90 nm process technology and features an adaptive real-time accelerator (ART Accelerator) that allows zero-wait-state execution from Flash memory. This architecture maximizes the effective performance of the Cortex-M4 core. The device also includes a true random number generator (RNG), a CRC calculation unit, and a 96-bit unique ID, enhancing security and data integrity for embedded applications. Typical applications include motor control, power conversion, industrial automation, medical devices, and consumer electronics. The combination of high clock speed, FPU, and rich peripherals makes it ideal for applications requiring real-time signal processing, such as digital power supplies, servo drives, and audio processing. The device is supported by the STM32CubeIDE and HAL libraries, simplifying firmware development. When designing with the STM32F405RGT6, ensure adequate decoupling on the power supply pins and proper layout for the high-speed USB and SDIO interfaces. The device supports multiple low-power modes, including Sleep, Stop, and Standby, which can be leveraged to optimize energy consumption in battery-powered applications.
STM32F405VGT6 - 168MHz ARM Cortex-M4F MCU | STMicroelectronics
The STM32F405VGT6 is a high-performance 32-bit microcontroller from STMicroelectronics, based on the ARM Cortex-M4F core with floating-point unit (FPU). It operates at up to 168 MHz, delivering 210 DMIPS and 1.25 DMIPS/MHz, making it suitable for demanding applications such as motor control, medical equipment, and industrial automation. The device integrates 1 MB of flash memory and 192 KB of SRAM, along with a rich set of peripherals including multiple 12-bit ADCs, DACs, timers, and communication interfaces. What is a microcontroller? A microcontroller (MCU) is a compact integrated circuit designed to govern a specific operation in an embedded system. It contains a processor core, memory (flash and SRAM), and programmable input/output peripherals on a single chip. Microcontrollers are the brain of countless electronic devices, from automotive engine control units to consumer electronics. The STM32F405VGT6 belongs to the STM32F4 series, which is part of the broader STM32 family of 32-bit ARM Cortex-M based MCUs. This family is widely used in industrial, consumer, and IoT applications due to its performance, low power consumption, and extensive ecosystem. Key features of the STM32F405VGT6 include a 168 MHz ARM Cortex-M4F core with FPU, 1 MB flash, 192 KB SRAM, and a comprehensive set of peripherals: three 12-bit ADCs (up to 24 channels), two DACs, 12 general-purpose timers, and multiple communication interfaces (USART, SPI, I2C, CAN, USB OTG, Ethernet). The device also features a memory protection unit (MPU), a true random number generator (RNG), and a cryptographic acceleration cell for AES, DES, and 3DES. These features make it a versatile choice for complex embedded applications. The STM32F405VGT6 is manufactured using a 90nm process technology, which balances performance and power efficiency. The core operates at 1.8V to 3.6V, with a wide temperature range of -40°C to +85°C (or +105°C for the VGT6 variant). The device supports various low-power modes, including Sleep, Stop, and Standby, enabling battery-powered applications. The rich peripheral set and high clock speed allow for real-time control and signal processing, making it ideal for applications such as motor control, power conversion, and audio processing. Typical applications include industrial motor control, medical monitoring devices, consumer electronics, and IoT gateways. The STM32F405VGT6 is also popular in drone flight controllers and robotics, where its processing power and peripheral integration are essential. The device is supported by ST's comprehensive development ecosystem, including the STM32CubeMX configuration tool, HAL libraries, and a wide range of development boards. When designing with the STM32F405VGT6, ensure proper decoupling of the power supply pins with 100nF capacitors placed close to each VDD pin, and a 4.7uF bulk capacitor. The VDDA pin should be filtered with a ferrite bead and a 1uF capacitor to reduce analog noise. The BOOT0 pin must be configured correctly for the desired boot mode, and the NRST pin should have a 100nF capacitor to ground for reliable reset. Pay attention to the maximum junction temperature (125°C) and ensure adequate thermal management for high-current applications.
STM32F405ZGT6 - ARM Cortex-M4F MCU 168MHz 1MB Flash | STMicroelectronics
The STMicroelectronics STM32F405ZGT6 is a high-performance ARM Cortex-M4F based microcontroller with floating-point unit (FPU) operating at up to 168 MHz. It features 1 MB of Flash memory and 192 KB of SRAM, making it suitable for complex real-time applications. The device is housed in a 144-pin LQFP package (LQFP144) with a 20x20 mm body and 0.5 mm pitch, providing ample I/O for connectivity and control. A microcontroller (MCU) is a compact integrated circuit designed to govern a specific operation in an embedded system. It contains a processor core, memory, and programmable input/output peripherals. The STM32F405ZGT6 belongs to the STM32F4 series, which is part of the broader STM32 family of 32-bit ARM Cortex-M microcontrollers. These devices are widely used in industrial control, consumer electronics, and IoT applications due to their balance of performance, power efficiency, and peripheral integration. Key features include a 168 MHz CPU with DSP instructions and FPU, 1 MB Flash, 192 KB SRAM, and a comprehensive set of peripherals: three 12-bit ADCs, two DACs, multiple timers, USART, SPI, I2C, USB OTG FS/HS, Ethernet MAC, and camera interface. The device supports a supply voltage range of 1.8V to 3.6V and operates over -40°C to +85°C. It includes a memory protection unit (MPU), embedded trace macrocell (ETM), and a wide range of communication interfaces. The STM32F405ZGT6 is built on a 90nm process technology, offering high performance with low power consumption. The ART Accelerator™ enables zero-wait-state execution from Flash, maximizing throughput. The FPU accelerates mathematical computations, which is critical for digital signal processing and motor control algorithms. The device also features a true random number generator (RNG) and a cryptographic acceleration cell for secure applications. Typical applications include industrial motor control, medical equipment, consumer electronics, IoT gateways, and audio processing. The rich peripheral set and high clock speed make it ideal for applications requiring real-time responsiveness and complex algorithms. For example, in motor control, the advanced timers generate PWM signals with dead-time insertion, while the ADCs sample current and voltage feedback for closed-loop control. When designing with this MCU, ensure proper decoupling of the power supply pins with 100nF capacitors close to each VDD pin and a bulk capacitor. The VDDA pin must be connected to a clean analog supply, and VREF+ should be filtered to achieve accurate ADC conversions. The BOOT0 pin configuration determines the boot source, and NRST requires a pull-up resistor and capacitor for reliable reset.