ATMEGA324P-20AQR vs ATMEGA324P-20AUR Comparison
Detailed side-by-side comparison of ATMEGA324P-20AQR by Microchip Technology and ATMEGA324P-20AUR 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-20AQR
ATMEGA324P-20AQR - 8-bit AVR MCU, 32KB Flash, 20MHz | Microchip
ATMEGA324P-20AQR β ActiveMicrochip Technology
ATMEGA324P-20AUR
ATMEGA324P-20AUR - 8-Bit AVR MCU 32KB 20MHz | Microchip
ATMEGA324P-20AUR β ActiveSpecification Comparison
| Parameter | ATMEGA324P-20AQR | ATMEGA324P-20AUR |
|---|---|---|
| Brand | Microchip Technology | Microchip Technology |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $3.78 | $4.52 |
| Core Processor | AVR | β |
| Core Size | 8-bit | β |
| Speed | 20 MHz | β |
| Flash Memory | 32 KB (16K x 16) | β |
| EEPROM Size | 1 KB | β |
| RAM Size | 2 KB | β |
| Supply Voltage (Vcc/Vdd) | 2.7 V to 5.5 V | β |
| GPIO Count | 32 | β |
| Number of USARTs | 2 | β |
| Peripherals | SPI, TWI (I2C), JTAG, WDT, Brown-out Detect/Reset, PWM | β |
| ADC Resolution | 10-bit, 8 channels | β |
| MIPS Throughput | Up to 16-20 MIPS (1 MIPS/MHz) | β |
| Package | 44-TQFP (10x10 mm) | 44-pin TQFP (10 x 10 mm, 0.80 mm pitch) |
| Mounting Type | Surface Mount | Surface Mount |
| Operating Temperature | Extended (A-variant), per Microchip extended range | β |
| Oscillator Type | Internal | β |
| Program Memory Type | ISP FLASH, read-while-write | β |
| RoHS Status | Compliant (GREEN package) | Compliant |
| Packaging | Tape & Reel (T&R) | β |
| Core Architecture | β | 8-bit AVR RISC |
| Program Memory Size | β | 32 KB ISP Flash (16K x 16) |
| EEPROM | β | 1 KB |
| SRAM | β | 2 KB |
| Maximum Clock Frequency | β | 20 MHz |
| Operating Voltage Range | β | 4.5 V to 5.5 V |
| General Purpose I/O Lines | β | 32 |
| General Purpose Working Registers | β | 32 |
| Instruction Set | β | 131 powerful instructions, most single-clock cycle |
| Operating Temperature Range | β | -40C to +85C (industrial) |
| ADC | β | 8-channel 10-bit successive approximation |
| USART Interfaces | β | 2 |
| Timer/Counters | β | Three flexible timer/counters with compare modes and PWM |
| Serial Interfaces | β | SPI master/slave, byte-oriented TWI (I2C) |
| Real Time Counter | β | Yes, with separate oscillator |
| Flash Endurance | β | 10,000 write/erase cycles |
| EEPROM Endurance | β | 100,000 write/erase cycles |
| Programming Interfaces | β | SPI, JTAG, bootloader (ISP) |