ATMEGA324P-20AQR vs ATMEGA324A-AU 对比
详细并排对比 ATMEGA324P-20AQR 出自 Microchip Technology 和 ATMEGA324A-AU 出自 Microchip Technology。对比关键规格、电气参数、封装、生命周期状态、价格和供货情况，以确定最适合您设计需求的元器件。
Microchip Technology
ATMEGA324P-20AQR - 8-bit AVR MCU, 32KB Flash, 20MHz | Microchip
ATMEGA324P-20AQR ✓ 量产中Microchip Technology
ATMEGA324A-AU - AVR MCU 32KB Flash 20MHz TQFP-44 | Microchip
ATMEGA324A-AU ✓ 量产中规格对比
| 参数 | ATMEGA324P-20AQR | ATMEGA324A-AU |
|---|---|---|
| 品牌 | Microchip Technology | Microchip Technology |
| 分类 | Microcontrollers | Microcontrollers |
| 生命周期状态 | 有效 | 有效 |
| 库存状态 | 有库存 | 有库存 |
| 单价（USD） | $3.78 | $2.09 |
| Core Processor | AVR | — |
| Core Size | 8-bit | — |
| Speed | 20 MHz | — |
| Flash Memory | 32 KB (16K x 16) | 32 KB (ISP, read-while-write) |
| EEPROM Size | 1 KB | — |
| 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) | — |
| 封装 | 44-TQFP (10x10 mm) | — |
| 安装类型 | Surface Mount | Surface Mount |
| 工作温度 | Extended (A-variant), per Microchip extended range | -40C to +85C (Industrial) |
| Oscillator Type | Internal | — |
| Program Memory Type | ISP FLASH, read-while-write | — |
| RoHS 状态 | Compliant (GREEN package) | Compliant |
| Packaging | Tape & Reel (T&R) | — |
| Core Architecture | — | 8-bit AVR RISC |
| EEPROM | — | 1 KB |
| SRAM | — | 2 KB |
| Maximum CPU Frequency | — | 20 MHz |
| Supply Voltage Range | — | 1.8 V to 5.5 V (speed-grade dependent) |
| General Purpose I/O | — | 32 lines |
| General Purpose Working Registers | — | 32 |
| Instructions | — | 131 (most single-cycle) |
| Timers/Counters | — | 3 |
| Real Time Counter | — | Yes |
| Serial Interfaces | — | USART, SPI, 2-Wire (I2C/TWI) |
| In-System Programming | — | Yes (ISP) |
| Package Type | — | TQFP-44, 10 x 10 mm, 1 mm height, 0.8 mm pitch |
| Life Cycle Stage | — | Active |