ATMEGA324PA-AUR vs ATMEGA324P-20AQR Comparison
Detailed side-by-side comparison of ATMEGA324PA-AUR by Microchip Technology and ATMEGA324P-20AQR 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
ATMEGA324PA-AUR - 8-Bit AVR MCU 32KB Flash 20MHz | Microchip
ATMEGA324PA-AUR ✓ ActiveMicrochip Technology
ATMEGA324P-20AQR - 8-bit AVR MCU, 32KB Flash, 20MHz | Microchip
ATMEGA324P-20AQR ✓ ActiveSpecification Comparison
| Parameter | ATMEGA324PA-AUR | ATMEGA324P-20AQR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Core Processor | AVR 8-bit RISC | AVR |
| Program Memory Size | 32 KB Flash (16K x 16) | — |
| EEPROM Size | 1 KB | 1 KB |
| SRAM Size | 2 KB | — |
| Maximum Clock Frequency | 20 MHz | — |
| Operating Voltage Range | 1.8 V to 5.5 V | — |
| Supply Voltage (5V operation) | 4.5 V to 5.5 V | — |
| CPU Throughput | Up to 20 MIPS at 20 MHz | — |
| General Purpose I/O Lines | 32 | — |
| General Purpose Working Registers | 32 | — |
| ADC Channels / Resolution | 8-channel, 10-bit | — |
| Communication Interfaces | 2x USART, SPI, I2C (TWI) | — |
| Timer/Counters | 2x 8-bit, 1x 16-bit | — |
| Package | 44-pin TQFP (10x10 mm, 0.80 mm pitch) | 44-TQFP (10x10 mm) |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | -40C to +85C (industrial) | Extended (A-variant), per Microchip extended range |
| Instruction Set | 131 powerful instructions, most single-clock cycle | — |
| Debug Interface | JTAG (IEEE 1149.1 boundary scan) | — |
| Packaging | Tape & Reel (AUR suffix) | Tape & Reel (T&R) |
| RoHS Status | Compliant | Compliant (GREEN package) |
| Core Size | — | 8-bit |
| Speed | — | 20 MHz |
| Flash Memory | — | 32 KB (16K x 16) |
| RAM Size | — | 2 KB |
| Supply Voltage (Vcc/Vdd) | — | 2.7 V to 5.5 V |
| GPIO Count | — | 32 |
| Number of USARTs | — | 2 |
| Peripherals | — | SPI, TWI (I2C), JTAG, WDT, Brown-out Detect/Reset, PWM |
| ADC Resolution | — | 10-bit, 8 channels |
| MIPS Throughput | — | Up to 16-20 MIPS (1 MIPS/MHz) |
| Oscillator Type | — | Internal |
| Program Memory Type | — | ISP FLASH, read-while-write |