ATMEGA324P-20AUR vs ATMEGA324PA-AUR 对比
详细并排对比 ATMEGA324P-20AUR 出自 Microchip Technology 和 ATMEGA324PA-AUR 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
ATMEGA324PA-AUR - 8-Bit AVR MCU 32KB Flash 20MHz | Microchip
ATMEGA324PA-AUR ✓ 量产中规格对比
| 参数 | ATMEGA324P-20AUR | ATMEGA324PA-AUR |
|---|---|---|
| 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） | $4.52 | $1.98 |
| Core Architecture | 8-bit AVR RISC | — |
| Program Memory Size | 32 KB ISP Flash (16K x 16) | 32 KB Flash (16K x 16) |
| EEPROM | 1 KB | — |
| SRAM | 2 KB | — |
| 最大时钟频率 | 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 |
| 封装 | 44-pin TQFP (10 x 10 mm, 0.80 mm pitch) | 44-pin TQFP (10x10 mm, 0.80 mm pitch) |
| 工作温度范围 | -40C to +85C (industrial) | — |
| ADC | 8-channel 10-bit successive approximation | — |
| USART Interfaces | 2 | — |
| 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) | — |
| Real Time Counter | Yes, with separate oscillator | — |
| Flash Endurance | 10,000 write/erase cycles | — |
| EEPROM Endurance | 100,000 write/erase cycles | — |
| Programming Interfaces | SPI, JTAG, bootloader (ISP) | — |
| 安装类型 | Surface Mount | Surface Mount |
| RoHS 状态 | Compliant | Compliant |
| Core Processor | — | AVR 8-bit RISC |
| EEPROM Size | — | 1 KB |
| SRAM Size | — | 2 KB |
| Supply Voltage (5V operation) | — | 4.5 V to 5.5 V |
| CPU Throughput | — | Up to 20 MIPS at 20 MHz |
| ADC Channels / Resolution | — | 8-channel, 10-bit |
| Communication Interfaces | — | 2x USART, SPI, I2C (TWI) |
| 工作温度 | — | -40C to +85C (industrial) |
| Debug Interface | — | JTAG (IEEE 1149.1 boundary scan) |
| Packaging | — | Tape & Reel (AUR suffix) |