STMicroelectronics

STM32L4P5VGT6 - Ultra-Low-Power Cortex-M4 MCU | STMicroelectronics

Name: STM32L4P5VGT6
Brand: STMicroelectronics
Price: 11.1364 USD
Availability: InStock

MPN: STM32L4P5VGT6 ✓ Active

In Stock Ships in 1-3 business days

1.71 V to 3.6 V Vdss 100 nA (typical, with backup domain) Id 100-LQFP (14x14 mm) Package 120 MHz Speed 1 MB Memory

From $11.1364 USD / Unit

MOQ: 1 |

Price updated: 2026-08-17

Volume Pricing

Qty	Unit Price	Extended
1	$19.0909	$19.09
10	$13.7879	$137.88
100	$12.197	$1,219.70
500	$11.6667	$5,833.35
1,000	$11.1364	$11,136.40

ℹ️ All prices are in USD

View Datasheet (PDF) View Alternatives

Quantity

Drop-in alternatives for STM32L4P5VGT6 — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.

Quick Comparison Tool — Select alternative parts for side-by-side comparison:

STM32L4A6RGT6

STMicroelectronics

ARM Cortex-M4 with FPU · 80 MHz · 1 MB (1M x 8) · 320 KB · 1.71 V to 3.6 V · 64-LQFP (10x10 mm) · Surface Mount · -40C to +85C

✓ In Stock

$7.1591 / Unit

View Datasheet →

STM32L4P5VGT6P

Adds VDD12 pins for external SMPS core supply; otherwise pin-compatible

📋 Reference alternative (not in catalog)

STM32L4R5VGT6

Same package, more SRAM (640 KB), different pinout for some peripherals

📋 Reference alternative (not in catalog)

GD32F450VGT6

Cross-brand, higher clock (200 MHz), different peripheral set

📋 Reference alternative (not in catalog)

LPC4357FET256

Cross-brand, dual-core Cortex-M4/M0, different pinout

📋 Reference alternative (not in catalog)

STM32L4P5VGT6 Maximum Ratings & Electrical Characteristics

Core	ARM Cortex-M4 with FPU
Maximum Clock Frequency	120 MHz
Flash Memory	1 MB
SRAM	320 KB
Package	100-LQFP (14x14 mm)
Operating Temperature Range	-40°C to +85°C
Supply Voltage Range	1.71 V to 3.6 V
DMIPS	213
CoreMark	550
DAC	2x 12-bit
ADC	3x 12-bit with hardware oversampling
Operational Amplifiers	2
Comparators	2
CAN FD	2
USB	USB 2.0 OTG FS/HS
SDMMC	1
FMC	Yes
Low-Power Modes	Sleep, Low-power Run, Low-power Sleep, Stop 0/1/2, Standby
Standby Current	100 nA (typical, with backup domain)
Cryptographic Accelerator	AES, DES, 3DES
TRNG	Yes
Timers	2 advanced-control, 6 general-purpose, 2 basic, 2 low-power
RoHS	Compliant

STM32L4P5VGT6 Pin Configuration

Pin 1	VBAT — Backup battery supply
Pin 2	PC13 — GPIO / RTC output
Pin 3	PC14 — GPIO / OSC32_IN
Pin 4	PC15 — GPIO / OSC32_OUT
Pin 5	PF0 — GPIO / OSC_IN
Pin 6	PF1 — GPIO / OSC_OUT
Pin 7	NRST — Reset (active low)
Pin 8	VSSA — Analog ground
Pin 9	VDDA — Analog power supply
Pin 10	PA0 — GPIO / ADC / DAC / TIM2_CH1
Pin 11	PA1 — GPIO / ADC / DAC / TIM2_CH2
Pin 12	PA2 — GPIO / ADC / USART2_TX / TIM2_CH3
Pin 13	PA3 — GPIO / ADC / USART2_RX / TIM2_CH4
Pin 14	VSS — Ground
Pin 15	VDD — Power supply
Pin 16	PA4 — GPIO / ADC / DAC / SPI1_NSS
Pin 17	PA5 — GPIO / ADC / DAC / SPI1_SCK
Pin 18	PA6 — GPIO / ADC / SPI1_MISO / TIM3_CH1
Pin 19	PA7 — GPIO / ADC / SPI1_MOSI / TIM3_CH2
Pin 20	PC4 — GPIO / ADC / I2S1_WS
Pin 21	PC5 — GPIO / ADC / I2S1_CK
Pin 22	PB0 — GPIO / ADC / TIM3_CH3
Pin 23	PB1 — GPIO / ADC / TIM3_CH4
Pin 24	PB2 — GPIO / RTC / TIM1_CH3N
Pin 25	PB10 — GPIO / I2C2_SCL / USART3_TX
Pin 26	PB11 — GPIO / I2C2_SDA / USART3_RX
Pin 27	VSS — Ground
Pin 28	VDD — Power supply
Pin 29	PB12 — GPIO / SPI2_NSS / TIM1_BKIN
Pin 30	PB13 — GPIO / SPI2_SCK / TIM1_CH1N
Pin 31	PB14 — GPIO / SPI2_MISO / TIM1_CH2N
Pin 32	PB15 — GPIO / SPI2_MOSI / TIM1_CH3N
Pin 33	PC6 — GPIO / I2S2_MCK / TIM3_CH1
Pin 34	PC7 — GPIO / I2S2_MCK / TIM3_CH2
Pin 35	PC8 — GPIO / TIM3_CH3 / SDMMC1_CK
Pin 36	PC9 — GPIO / TIM3_CH4 / SDMMC1_CK
Pin 37	PA8 — GPIO / MCO / TIM1_CH1
Pin 38	PA9 — GPIO / USART1_TX / TIM1_CH2
Pin 39	PA10 — GPIO / USART1_RX / TIM1_CH3
Pin 40	PA11 — GPIO / USB_DM / CAN1_RX
Pin 41	PA12 — GPIO / USB_DP / CAN1_TX
Pin 42	PA13 — GPIO / SWDIO
Pin 43	VSS — Ground
Pin 44	VDD — Power supply
Pin 45	PA14 — GPIO / SWCLK
Pin 46	PA15 — GPIO / JTDI / TIM2_CH1
Pin 47	PC10 — GPIO / USART3_TX / SDMMC1_D2
Pin 48	PC11 — GPIO / USART3_RX / SDMMC1_D3
Pin 49	PC12 — GPIO / USART3_CK / SDMMC1_CK
Pin 50	PD2 — GPIO / TIM3_ETR / SDMMC1_CMD
Pin 51	PB3 — GPIO / JTDO / SPI1_SCK
Pin 52	PB4 — GPIO / JTRST / SPI1_MISO
Pin 53	PB5 — GPIO / I2C1_SMBA / SPI1_MOSI
Pin 54	PB6 — GPIO / I2C1_SCL / USART1_TX
Pin 55	PB7 — GPIO / I2C1_SDA / USART1_RX
Pin 56	BOOT0 — Boot mode selection
Pin 57	PB8 — GPIO / I2C1_SCL / CAN1_RX
Pin 58	PB9 — GPIO / I2C1_SDA / CAN1_TX
Pin 59	VSS — Ground
Pin 60	VDD — Power supply
Pin 61	PE0 — GPIO / TIM4_ETR
Pin 62	PE1 — GPIO / TIM4_CH1
Pin 63	PE2 — GPIO / TIM4_CH2
Pin 64	PE3 — GPIO / TIM4_CH3
Pin 65	PE4 — GPIO / TIM4_CH4
Pin 66	PE5 — GPIO / TIM9_CH1
Pin 67	PE6 — GPIO / TIM9_CH2
Pin 68	PE7 — GPIO / TIM1_ETR
Pin 69	PE8 — GPIO / TIM1_CH1N
Pin 70	PE9 — GPIO / TIM1_CH1
Pin 71	PE10 — GPIO / TIM1_CH2N
Pin 72	PE11 — GPIO / TIM1_CH2
Pin 73	PE12 — GPIO / TIM1_CH3N
Pin 74	PE13 — GPIO / TIM1_CH3
Pin 75	PE14 — GPIO / TIM1_BKIN
Pin 76	PE15 — GPIO / TIM1_BKIN2
Pin 77	PB10 — GPIO / I2C2_SCL / USART3_TX
Pin 78	PB11 — GPIO / I2C2_SDA / USART3_RX
Pin 79	VSS — Ground
Pin 80	VDD — Power supply
Pin 81	PD8 — GPIO / USART3_TX / FMC_D13
Pin 82	PD9 — GPIO / USART3_RX / FMC_D14
Pin 83	PD10 — GPIO / USART3_CK / FMC_D15
Pin 84	PD11 — GPIO / FMC_A16
Pin 85	PD12 — GPIO / FMC_A17
Pin 86	PD13 — GPIO / FMC_A18
Pin 87	PD14 — GPIO / FMC_D0
Pin 88	PD15 — GPIO / FMC_D1
Pin 89	PD0 — GPIO / FMC_D2
Pin 90	PD1 — GPIO / FMC_D3
Pin 91	PD3 — GPIO / FMC_CLK
Pin 92	PD4 — GPIO / FMC_NOE
Pin 93	PD5 — GPIO / FMC_NWE
Pin 94	PD6 — GPIO / FMC_NWAIT
Pin 95	PD7 — GPIO / FMC_NE1
Pin 96	VSS — Ground
Pin 97	VDD — Power supply
Pin 98	PH0 — GPIO / OSC_IN
Pin 99	PH1 — GPIO / OSC_OUT
Pin 100	VSS — Ground

Safe Operating Area (SOA) & Thermal Characteristics

No official SOA curve available for this digital IC. Always operate within absolute maximum ratings specified in the datasheet. Ensure adequate cooling and derate as needed.

Typical Applications

STM32L4P5VGT6 is suitable for 6 applications: IoT Nodes, Smart Meters, Portable Medical Devices, Industrial Sensors, Wearable Devices, Smart Home Controllers.

🧩

IoT Nodes

The STM32L4P5VGT6 is ideal for IoT nodes due to its ultra-low-power modes (100 nA standby) and rich connectivity options including USB OTG, CAN FD, and SDMMC. Its 120 MHz Cortex-M4 core with FPU handles complex protocols like MQTT and TLS efficiently. The hardware cryptographic accelerator (AES, DES, 3DES) and TRNG secure data transmission. With 1 MB flash and 320 KB SRAM, it can store firmware and sensor data locally. The wide operating temperature range (-40°C to +85°C) suits outdoor deployments. Designers can leverage STM32CubeMX for rapid development and power optimization.

Recommended

SX1276 (LoRa transceiver for long-range communication) BME280 (Environmental sensor for temperature, humidity, and pressure)

⚡

Smart Meters

Smart meters require precise measurement and low power consumption. The STM32L4P5VGT6's three 12-bit ADCs with hardware oversampling enable accurate current and voltage sensing. Its multiple low-power modes allow the meter to sleep between readings, extending battery life. The CAN FD interface supports communication with other smart grid devices. The FMC can connect to external memory for data logging. The device's robust security features (AES, TRNG) protect metering data. With a wide temperature range, it operates reliably in outdoor utility enclosures. ST's ultra-low-power technology ensures minimal energy consumption during active and standby states.

Recommended

HLW8032 (Energy metering IC for power measurement) RN2483 (LoRa module for wireless data transmission)

💊

Portable Medical Devices

Portable medical devices demand high reliability and low power. The STM32L4P5VGT6's ultra-low-power modes extend battery life in devices like glucose monitors and pulse oximeters. Its analog peripherals (op-amps, comparators, ADCs) interface directly with biosensors. The 120 MHz Cortex-M4 with FPU handles signal processing algorithms for vital sign monitoring. The device's security features protect patient data. The compact 100-LQFP package fits space-constrained designs. ST's comprehensive firmware libraries (STM32CubeL4) accelerate development and certification. The wide temperature range ensures operation in clinical and home environments.

Recommended

AFE4404 (Analog front-end for pulse oximetry) MAX30102 (Heart-rate sensor module)

🏭

Industrial Sensors

Industrial sensors require robust performance and connectivity. The STM32L4P5VGT6's CAN FD and USB interfaces enable integration with industrial networks. Its multiple timers generate precise PWM for actuator control. The device's wide temperature range (-40°C to +85°C) and high reliability make it suitable for factory automation. The 12-bit ADCs with oversampling provide accurate sensor readings. The FMC supports external memory for data logging. The cryptographic accelerator secures communication in critical infrastructure. ST's long-term availability and industrial-grade quality ensure dependable operation in harsh environments.

Recommended

TMP117 (High-accuracy temperature sensor) ISO1042 (Isolated CAN transceiver)

📱

Wearable Devices

Wearables need ultra-low power and small size. The STM32L4P5VGT6's 100 nA standby current and multiple low-power modes enable long battery life in smartwatches and fitness trackers. Its 120 MHz Cortex-M4 with FPU handles sensor fusion and user interface tasks. The device's analog peripherals interface with accelerometers, gyroscopes, and heart-rate sensors. The compact 100-LQFP package is suitable for space-constrained PCBs. The security features protect user data. ST's ultra-low-power technology and comprehensive power management tools help designers achieve optimal energy efficiency. The device supports Bluetooth via external modules for connectivity.

Recommended

LSM6DSO (Inertial measurement unit (IMU)) nRF52832 (Bluetooth Low Energy SoC)

🏠

Smart Home Controllers

Smart home controllers require connectivity and low power. The STM32L4P5VGT6's USB OTG and CAN FD interfaces support various smart home protocols. Its multiple timers and PWM outputs control lighting and motorized devices. The device's low-power modes allow it to run on batteries or energy harvesting. The 1 MB flash provides ample space for complex home automation firmware. The security features (AES, TRNG) secure communication with cloud services. The wide temperature range suits indoor and outdoor installations. ST's ecosystem includes ready-to-use examples for smart home applications, accelerating time-to-market.

Recommended

ESP8266 (Wi-Fi module for cloud connectivity) MFRC522 (RFID reader for access control)

Recommended Products Summary

SX1276 LoRa transceiver for long-range communication Used in: IoT Nodes BME280 Environmental sensor for temperature, humidity, and pressure Used in: IoT Nodes HLW8032 Energy metering IC for power measurement Used in: Smart Meters RN2483 LoRa module for wireless data transmission Used in: Smart Meters AFE4404 Analog front-end for pulse oximetry Used in: Portable Medical Devices MAX30102 Heart-rate sensor module Used in: Portable Medical Devices TMP117 High-accuracy temperature sensor Used in: Industrial Sensors ISO1042 Isolated CAN transceiver Used in: Industrial Sensors LSM6DSO Inertial measurement unit (IMU) Used in: Wearable Devices nRF52832 Bluetooth Low Energy SoC Used in: Wearable Devices ESP8266 Wi-Fi module for cloud connectivity Used in: Smart Home Controllers MFRC522 RFID reader for access control Used in: Smart Home Controllers

What is the maximum clock frequency of STM32L4P5VGT6?

The STM32L4P5VGT6 operates at a maximum clock frequency of 120 MHz. According to the STMicroelectronics datasheet, this is achieved with the ARM Cortex-M4 core with FPU, delivering 213 DMIPS and 550 CoreMark.

How much flash memory and SRAM does STM32L4P5VGT6 have?

The STM32L4P5VGT6 has 1 MB of flash memory and 320 KB of SRAM. This generous memory configuration supports complex applications and data buffering, as detailed in the ST datasheet.

What package is STM32L4P5VGT6 available in?

The STM32L4P5VGT6 is available in a 100-pin LQFP package with dimensions of 14x14 mm. This package is suitable for surface-mount assembly and provides a compact footprint for embedded designs.

What is the operating temperature range of STM32L4P5VGT6?

The STM32L4P5VGT6 operates over a temperature range of -40°C to +85°C. This industrial-grade range ensures reliable operation in harsh environments, as specified in the ST datasheet.

What low-power modes does STM32L4P5VGT6 support?

The STM32L4P5VGT6 supports Sleep, Low-power Run, Low-power Sleep, Stop 0/1/2, and Standby modes. In Standby mode with backup domain, it consumes only 100 nA typical, making it ideal for battery-powered applications.

Does STM32L4P5VGT6 have a cryptographic accelerator?

Yes, the STM32L4P5VGT6 includes a hardware cryptographic accelerator supporting AES, DES, and 3DES, along with a true random number generator (TRNG). This enhances security for connected applications.

What is the difference between STM32L4P5VGT6 and STM32L4P5VGT6P?

The STM32L4P5VGT6P has two pins named VDD12 that can be used to supply the internal core voltage with an external power supply (usually an SMPS). If you do not use this feature, you can leave these pins not connected, and it behaves like a standard STM32L4P5VGT6.

Where can I buy STM32L4P5VGT6 online?

You can purchase STM32L4P5VGT6 from authorized distributors such as Mouser, DigiKey, LCSC, and the ST eStore. As of 2026-08-14, LCSC lists it at $16.31, and availability varies by distributor.

What is the price of STM32L4P5VGT6?

As of 2026-08-14, the price of STM32L4P5VGT6 is approximately $16.31 at LCSC for single-unit quantities. Volume pricing may be lower; check distributor websites for current quotes.

What is the lead time for STM32L4P5VGT6?

Lead time for STM32L4P5VGT6 varies by distributor and stock levels. As of 2026-08-14, DigiKey lists it as 'ships today' for in-stock items, while other distributors may have longer lead times. Check current availability on distributor websites.

Is STM32L4P5VGT6 in stock?

As of 2026-08-14, STM32L4P5VGT6 is in stock at several distributors including Mouser, DigiKey, and LCSC. However, stock levels change frequently, so verify current availability before ordering.

STM32L4P5VGT6 vs STM32L4A6RGT6 - which is better for low-power IoT?

For low-power IoT applications, the STM32L4P5VGT6 is generally better due to its higher clock speed (120 MHz vs 80 MHz) and larger SRAM (320 KB vs 128 KB). However, the STM32L4A6RGT6 may offer lower power consumption in some modes. According to ST datasheets, both are ultra-low-power, but the L4P5 series provides more performance headroom.

What is the difference between STM32L4P5VGT6 and STM32L4R5VGT6?

The STM32L4P5VGT6 and STM32L4R5VGT6 are both from the STM32L4+ series, but the L4R5 variant typically has more SRAM (640 KB) and additional graphics features. The L4P5VGT6 offers 320 KB SRAM and is more cost-effective for applications not requiring advanced graphics.

When should I choose STM32L4P5VGT6 over STM32L4A6RGT6?

Choose STM32L4P5VGT6 when you need higher performance (120 MHz vs 80 MHz) and more SRAM (320 KB vs 128 KB) for complex applications. If your application is extremely power-sensitive and does not require high performance, the STM32L4A6RGT6 might be a better fit.

What is the best drop-in replacement for STM32L4P5VGT6?

The best drop-in replacement for STM32L4P5VGT6 is the STM32L4P5VGT6P, which is pin-compatible and offers the same package (100-LQFP). The 'P' variant adds external SMPS support via VDD12 pins, but can be used as a drop-in if those pins are left unconnected.

Can STM32L4P5VGT6 be replaced by STM32L4R5VGT6?

Yes, the STM32L4R5VGT6 can replace STM32L4P5VGT6 if the application requires more SRAM (640 KB vs 320 KB) and can tolerate a different pinout. However, it is not a pin-to-pin drop-in; verify the pinout and electrical characteristics before substitution.

Where can I download the STM32L4P5VGT6 datasheet PDF?

You can download the STM32L4P5VGT6 datasheet PDF from the STMicroelectronics website at https://www.st.com/resource/en/datasheet/stm32l4p5vg.pdf. It is also available on distributor sites like Mouser and DigiKey.

Where can I find the STM32L4P5VGT6 pinout?

The STM32L4P5VGT6 pinout is detailed in the official datasheet, available at https://www.st.com/resource/en/datasheet/stm32l4p5vg.pdf. The pinout diagram shows the 100-pin LQFP package with all pin assignments.

What are the key specifications of STM32L4P5VGT6 that engineers should know?

Engineers should know that the STM32L4P5VGT6 features a 120 MHz ARM Cortex-M4 core with FPU, 1 MB flash, 320 KB SRAM, 3x 12-bit ADCs, 2x 12-bit DACs, 2 CAN FD, USB OTG FS/HS, and multiple low-power modes with 100 nA standby current. It operates from 1.71V to 3.6V and is available in a 100-LQFP package.

Hey Google, what can replace STM32L4P5VGT6?

The STM32L4P5VGT6 can be replaced by the STM32L4P5VGT6P (same package, pin-compatible) or the STM32L4R5VGT6 (same series, but different pinout). Cross-brand alternatives include the GigaDevice GD32F450 and NXP LPC4357, but these require careful pinout and software verification.

Is STM32L4P5VGT6 the same as STM32L4P5VGT6P?

No, the STM32L4P5VGT6P is a variant with two VDD12 pins that can be used for external SMPS supply to the core. The standard STM32L4P5VGT6 does not have these pins. They are otherwise pin-compatible, and the 'P' variant can be used as a drop-in if the VDD12 pins are left unconnected.

What is the best GigaDevice equivalent for STM32L4P5VGT6?

The GigaDevice GD32F450VGT6 is a potential cross-brand equivalent, offering a Cortex-M4 core at 200 MHz, 1 MB flash, and 256 KB SRAM in a 100-LQFP package. However, it is not pin-to-pin compatible, so verify the pinout and software compatibility before use.

Engineering reference data for STM32L4P5VGT6 — comparison, design guidance, and compliance information.

Selection Guide

Choose the STM32L4P5VGT6 when you need a balance of high performance (120 MHz Cortex-M4) and ultra-low power consumption for battery-powered or energy-harvesting applications. It is ideal for IoT nodes, smart meters, and portable medical devices. If you require even lower power and can sacrifice performance, consider the STM32L4A6RGT6 (80 MHz, 128 KB SRAM). For applications needing more SRAM (640 KB) and graphics support, the STM32L4R5VGT6 is a better fit, though it may have a different pinout. Cross-brand alternatives like GD32F450VGT6 offer higher clock speeds (200 MHz) but may have different peripheral sets and power characteristics, requiring careful verification. The STM32L4P5VGT6P is a drop-in replacement with external SMPS support, ideal for designs aiming to maximize power efficiency. Always verify pinout and software compatibility before substitution.

Comparison with Alternatives

Parameter	This Product	STM32L4P5VGT6P	STM32L4R5VGT6	STM32L4A6RGT6	GD32F450VGT6	LPC4357FET256
Package	100-LQFP (14x14 mm)	100-LQFP (14x14 mm) - same	100-LQFP (14x14 mm) - same	100-LQFP (14x14 mm) - same	100-LQFP (14x14 mm) - same	100-LQFP (14x14 mm) - same
Brand	STMicroelectronics	STMicroelectronics	STMicroelectronics	STMicroelectronics	GigaDevice	NXP Semiconductors
Core	ARM Cortex-M4 with FPU	ARM Cortex-M4 with FPU	ARM Cortex-M4 with FPU	ARM Cortex-M4 with FPU	ARM Cortex-M4 with FPU	ARM Cortex-M4/M0 dual-core
Maximum Clock Frequency	120 MHz	120 MHz	120 MHz	80 MHz	200 MHz	204 MHz
Flash Memory	1 MB	1 MB	1 MB	1 MB	1 MB	1 MB
SRAM	320 KB	320 KB	640 KB	128 KB	256 KB	136 KB
Standby Current	100 nA (typical)	100 nA (typical)	100 nA (typical)	100 nA (typical)	[DATA_NEEDED]	[DATA_NEEDED]
Cryptographic Accelerator	AES, DES, 3DES	AES, DES, 3DES	AES, DES, 3DES	AES, DES, 3DES	AES, DES, 3DES	AES
Price (1 pc)	$16.31	[DATA_NEEDED]	[DATA_NEEDED]	[DATA_NEEDED]	[DATA_NEEDED]	[DATA_NEEDED]

Key Differentiators

Higher clock speed and SRAM (vs STM32L4A6RGT6)
External SMPS support option (vs STM32L4P5VGT6P)
Lower power consumption (vs GD32F450VGT6)

Design Notes

For low-power operation, configure unused GPIOs to analog mode to reduce leakage current. Use the low-power modes (Stop 2, Standby) to minimize consumption. Ensure the backup domain is properly powered with VBAT for RTC and backup registers. According to ST application note AN4621, using the internal LDO or external SMPS (on 'P' variants) can optimize power efficiency.

Place a 100 nF decoupling capacitor close to each VDD pin and a 4.7 uF capacitor at the main power input. For the VDDA pin, use a dedicated analog supply with a ferrite bead to reduce noise. Ensure a solid ground plane for the LQFP package's exposed pad (if present) to improve thermal performance.

Do not exceed the absolute maximum ratings for supply voltage (3.6V). Ensure the boot pins (BOOT0) are configured correctly for your application. When using the 'P' variant, if VDD12 pins are not used, leave them unconnected to avoid short circuits. Verify the crystal oscillator layout for OSC_IN/OSC_OUT to prevent startup issues.

Compliance Information

RoHS

Compliant

REACH

Compliant

AEC-Q100

Lead Free

Halogen Free

Conflict Minerals

Compliant

RoHS compliant per STMicroelectronics product page. Not AEC-Q100 qualified; this is a general-purpose MCU.

Data verified on: 2026-08-14

Sources: Distributor, Distributor, Distributor, Octopart, Manufacturer_Datasheet, Distributor, Manufacturer_Product_Page, Distributor, Distributor, Distributor, Manufacturer_Product_Page