ATMEGA32A-ANR vs ATMEGA644PA-AU 对比
详细并排对比 ATMEGA32A-ANR 出自 Microchip Technology 和 ATMEGA644PA-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
ATMEGA644PA-AU - 8-bit AVR MCU, 20MHz, 64KB Flash | Microchip
ATMEGA644PA-AU ✓ 量产中规格对比
| 参数 | ATMEGA32A-ANR | ATMEGA644PA-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） | $3.32 | $4.61 |
| Core Architecture | AVR 8-bit RISC | AVR 8-bit RISC |
| Program Memory (Flash) | 32 KB (16K x 16) | 64 KB (32K x 16) |
| SRAM | 2 KB | 4 KB |
| EEPROM | 1 KB | 2 KB |
| Maximum CPU Speed | 16 MHz | — |
| MIPS Throughput | 16 MIPS at 16 MHz | — |
| Operating Voltage | 2.7 V to 5.5 V | — |
| Number of I/O Pins | 32 | — |
| ADC | 8-channel, 10-bit | 8-channel, 10-bit |
| Timers | 2x 8-bit + 1x 16-bit | — |
| Communication Interfaces | 2x USART, SPI, TWI (I2C) | — |
| Debug Interface | JTAG (IEEE 1149.1) | — |
| 封装 | 44-pin TQFP (10x10 mm) | 44-pin TQFP (10x10 mm) |
| 工作温度 | -40 C to +105 C | -40C to +85C (industrial) |
| 安装类型 | Surface Mount | Surface Mount |
| Packaging | Tape & Reel (TR) | — |
| RoHS 状态 | Compliant | Compliant |
| Family | — | ATmega |
| Series | — | ATmega644P / picoPower |
| 最大时钟频率 | — | 20 MHz |
| Supply Voltage Range | — | 1.8 V to 5.5 V |
| GPIO Pins | — | 32 |
| USART | — | 2 |
| I2C (TWI) | — | 1 |
| SPI | — | 1 |
| Timer/Counters | — | 3 (with PWM and compare modes) |
| MIPS | — | 20 MIPS at 20 MHz |
| Programming Interface | — | ISP / ICSP / JTAG / debugWIRE |