ATMEGA1284P-PU vs ATMEGA644PA-PU 对比
详细并排对比 ATMEGA1284P-PU 出自 Microchip Technology 和 ATMEGA644PA-PU 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-PU - 8-bit AVR MCU 20MHz 64KB Flash DIP-40 | Microchip
ATMEGA644PA-PU ✓ 量产中规格对比
| 参数 | ATMEGA1284P-PU | ATMEGA644PA-PU |
|---|---|---|
| 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） | $6.05 | $5.15 |
| Core Architecture | 8-bit AVR RISC | 8-bit AVR RISC |
| Flash Memory | 128 KB (64K x 16) ISP Flash | 64 KB (32K x 16) |
| SRAM | 16 KB | 4 KB |
| EEPROM | 4 KB | 2 KB |
| Max Clock Frequency | 20 MHz | — |
| Supply Voltage Range | 1.8 V to 5.5 V | — |
| GPIO Count | 32 general purpose I/O lines | — |
| ADC | 8-channel 10-bit | 8-channel, 10-bit |
| USART Count | 2 | — |
| Timer/Counters | 3 with compare modes and PWM | 3, with compare modes and PWM |
| Serial Interfaces | 2x USART, TWI (I2C-compatible), SPI | — |
| 封装 | 40-PDIP (through-hole) | 40-PDIP (0.600 in, 15.24 mm) |
| 安装类型 | Through Hole | Through Hole |
| Special Features | picoPower, Real Time Counter, Read-While-Write Flash | — |
| Instruction Set Throughput | Up to 1 MIPS per MHz | — |
| Working Registers | 32 general purpose | 32 |
| 生命周期状态 | Active | — |
| Core Series | — | AVR ATmega |
| 最大时钟频率 | — | 20 MHz |
| General Purpose I/O Lines | — | 32 |
| USART Interfaces | — | 2 |
| Two-Wire Interface | — | Yes (byte-oriented, I2C-compatible) |
| Low Power Technology | — | picoPower |
| Operating Voltage Range | — | [DATA_NEEDED: operating voltage range] |
| 工作温度范围 | — | [DATA_NEEDED: operating temperature range] |
| RoHS 状态 | — | [DATA_NEEDED: RoHS status] |