ATMEGA644P-A15MZ vs ATMEGA644A-MUR 对比
详细并排对比 ATMEGA644P-A15MZ 出自 Microchip Technology 和 ATMEGA644A-MUR 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
ATMEGA644P-A15MZ - 64KB AVR MCU, 16MHz, VQFN-44 | Microchip
ATMEGA644P-A15MZ NrndMicrochip Technology
ATMEGA644A-MUR - 8-bit AVR MCU 64KB Flash 20MHz | Microchip
ATMEGA644A-MUR ✓ 量产中规格对比
| 参数 | ATMEGA644P-A15MZ | ATMEGA644A-MUR |
|---|---|---|
| 品牌 | Microchip Technology | Microchip Technology |
| 分类 | Microcontrollers | Microcontrollers |
| 生命周期状态 | 不推荐新设计 | 有效 |
| 库存状态 | 有库存 | 有库存 |
| 单价（USD） | $2.00 | $4.31 |
| Core Processor | AVR | — |
| Core Size | 8-Bit | — |
| Max Clock Speed | 16 MHz | — |
| Flash Memory | 64 KB (32K x 16) | 64 KB (32K x 16) ISP Flash with read-while-write |
| SRAM | 4 KB | 4 KB |
| EEPROM | 2 KB | 2 KB |
| 电源电压 | 4.5 V to 5.5 V | — |
| Number of GPIO | 32 | — |
| USART | 2 | — |
| ADC Resolution | 10-bit | — |
| ADC Channels | 8 | — |
| Connectivity | I2C (TWI), SPI, UART/USART | — |
| Timers | 3 timers/counters with compare modes and PWM | — |
| Throughput | 16 MIPS at 16 MHz | — |
| 封装 | 44-VQFN (7x7 mm) | 44-VQFN (7x7 mm) exposed pad |
| 安装类型 | Surface Mount | Surface Mount |
| Qualification | AEC-Q100 (automotive) | — |
| 工作温度范围 | [DATA_NEEDED: Operating Temperature Range] | — |
| Packaging | Tray | Tape & Reel (R suffix) |
| Core Architecture | — | AVR enhanced RISC, 8-bit |
| 最大时钟频率 | — | 20 MHz |
| CPU Throughput | — | Up to 20 MIPS at 20 MHz (1 MIPS per MHz) |
| General Purpose I/O | — | 32 I/O lines |
| Working Registers | — | 32 x 8-bit general purpose |
| USART Channels | — | 2 |
| Timers/Counters | — | 3 flexible timers with compare modes and PWM |
| Serial Interfaces | — | TWI (I2C-compatible), SPI, 2x USART |
| Real-Time Counter | — | Yes |
| 工作温度 | — | Industrial, -40C to +85C |
| Supply Voltage Options | — | 2.5 V / 3.3 V / 5 V |
| Supply Voltage Range | — | [DATA_NEEDED: exact VCC min/max per datasheet table] |
| On-Chip Debug | — | JTAG |
| RoHS 状态 | — | Compliant |