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