ATMEGA644PV-10MU vs ATMEGA1284P-MU 对比
详细并排对比 ATMEGA644PV-10MU 出自 Microchip Technology 和 ATMEGA1284P-MU 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
ATMEGA644PV-10MU - 8-bit AVR MCU 64KB Flash 10MHz | Microchip
ATMEGA644PV-10MU ✓ 量产中Microchip Technology
ATMEGA1284P-MU - 128KB Flash 8-Bit AVR MCU 20MHz | Microchip
ATMEGA1284P-MU ✓ 量产中规格对比
| 参数 | ATMEGA644PV-10MU | ATMEGA1284P-MU |
|---|---|---|
| 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） | $4.88 | $4.10 |
| Core Architecture | 8-bit AVR RISC | 8-bit AVR RISC |
| Flash Memory | 64 KB (32K x 16) ISP Flash | 128 KB (64K x 16) ISP, Read-While-Write |
| EEPROM | 2 KB | 4 KB |
| SRAM | 4 KB | 16 KB |
| 最大时钟频率 | 10 MHz | — |
| 电源电压 | 1.8 V (picoPower family low-voltage capable) | — |
| General Purpose I/O | 32 lines | — |
| ADC Resolution | 10 bit | — |
| Timers/Counters | 3 (with compare modes and PWM) | — |
| USART Interfaces | 2 | — |
| Serial Interfaces | 2-wire (I2C/TWI), SPI | — |
| 封装 | 44-VQFN (7x7 mm), exposed pad | 44-VQFN (7x7 mm) with Exposed Pad |
| 工作温度 | -40C to +85C (industrial) | [DATA_NEEDED: temperature range for -MU speed grade] |
| 安装类型 | Surface Mount | Surface Mount |
| RoHS 状态 | Compliant (green package) | Compliant (per Microchip product page) |
| In-System Programming | Yes (read-while-write) | — |
| Max CPU Clock | — | 20 MHz |
| Supply Voltage Range | — | 2.7 V to 5.5 V |
| I/O Lines | — | 32 general purpose |
| USART | — | 2 |
| Timer/Counters | — | 3 (with compare modes and PWM) |
| Real Time Counter (RTC) | — | Yes |
| 10-bit ADC | — | 8 channels |
| TWI (I2C) | — | 1, byte-oriented 2-wire |
| SPI | — | 1 |
| Watchdog Timer | — | Yes, programmable with on-chip oscillator |
| Programming Interface | — | ISP via SPI, self-programming boot support |