ATMEGA324P-20AUR vs ATMEGA324PA-AUR Comparison
Detailed side-by-side comparison of ATMEGA324P-20AUR by Microchip Technology and ATMEGA324PA-AUR by Microchip Technology. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
Microchip Technology
ATMEGA324P-20AUR
ATMEGA324P-20AUR - 8-Bit AVR MCU 32KB 20MHz | Microchip
ATMEGA324P-20AUR β ActiveMicrochip Technology
ATMEGA324PA-AUR
ATMEGA324PA-AUR - 8-Bit AVR MCU 32KB Flash 20MHz | Microchip
ATMEGA324PA-AUR β ActiveSpecification Comparison
| Parameter | ATMEGA324P-20AUR | ATMEGA324PA-AUR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $4.52 | $1.98 |
| Core Architecture | 8-bit AVR RISC | β |
| Program Memory Size | 32 KB ISP Flash (16K x 16) | 32 KB Flash (16K x 16) |
| EEPROM | 1 KB | β |
| SRAM | 2 KB | β |
| Maximum Clock Frequency | 20 MHz | 20 MHz |
| Operating Voltage Range | 4.5 V to 5.5 V | 1.8 V to 5.5 V |
| General Purpose I/O Lines | 32 | 32 |
| General Purpose Working Registers | 32 | 32 |
| Instruction Set | 131 powerful instructions, most single-clock cycle | 131 powerful instructions, most single-clock cycle |
| Package | 44-pin TQFP (10 x 10 mm, 0.80 mm pitch) | 44-pin TQFP (10x10 mm, 0.80 mm pitch) |
| Operating Temperature Range | -40C to +85C (industrial) | β |
| ADC | 8-channel 10-bit successive approximation | β |
| USART Interfaces | 2 | β |
| Timer/Counters | Three flexible timer/counters with compare modes and PWM | 2x 8-bit, 1x 16-bit |
| Serial Interfaces | SPI master/slave, byte-oriented TWI (I2C) | β |
| Real Time Counter | Yes, with separate oscillator | β |
| Flash Endurance | 10,000 write/erase cycles | β |
| EEPROM Endurance | 100,000 write/erase cycles | β |
| Programming Interfaces | SPI, JTAG, bootloader (ISP) | β |
| Mounting Type | Surface Mount | Surface Mount |
| RoHS Status | Compliant | Compliant |
| Core Processor | β | AVR 8-bit RISC |
| EEPROM Size | β | 1 KB |
| SRAM Size | β | 2 KB |
| Supply Voltage (5V operation) | β | 4.5 V to 5.5 V |
| CPU Throughput | β | Up to 20 MIPS at 20 MHz |
| ADC Channels / Resolution | β | 8-channel, 10-bit |
| Communication Interfaces | β | 2x USART, SPI, I2C (TWI) |
| Operating Temperature | β | -40C to +85C (industrial) |
| Debug Interface | β | JTAG (IEEE 1149.1 boundary scan) |
| Packaging | β | Tape & Reel (AUR suffix) |