ATMEGA649V-8MI vs ATMEGA649P-MU 对比
详细并排对比 ATMEGA649V-8MI 出自 Microchip Technology 和 ATMEGA649P-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
ATMEGA649P-MU - 8-bit AVR MCU 64KB Flash LCD 16MHz | Microchip
ATMEGA649P-MU ✓ 量产中规格对比
| 参数 | ATMEGA649V-8MI | ATMEGA649P-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） | $4.02 | $3.91 |
| Core Architecture | AVR 8-bit RISC | — |
| Flash Program Memory | 64KB (32K x 16) | — |
| EEPROM | 2KB | 2 KB |
| Internal SRAM | 4KB | — |
| 最大时钟频率 | 8 MHz | — |
| Operating Voltage Range | 1.8 V to 5.5 V | — |
| 工作温度 | -40C to +85C (industrial) | — |
| 封装 | 64-QFN (9x9 mm, VFQFN with exposed pad) | 64-QFN (9x9 mm), MLF/VQFN |
| 安装类型 | Surface Mount | Surface Mount |
| LCD Controller | Segment LCD driver (up to 4x25 / 8x25 segments) | Yes (segment LCD driver) |
| ADC Resolution | 10-bit | — |
| ADC Channels | 8 channels | — |
| Communication Interfaces | USART, SPI, TWI (I2C) | — |
| Timers | 2 x 8-bit, 1 x 16-bit with PWM | — |
| JTAG | IEEE 1149.1 boundary scan + on-chip debug | — |
| In-System Programming (ISP) | Yes, self-programming Flash | — |
| Instructions | 130 instructions, most single-cycle | — |
| Series | AVR ATmega ATMEGA649 | — |
| Core Processor | — | AVR |
| Core Size | — | 8-Bit |
| Speed | — | 16 MHz |
| Flash Memory | — | 64 KB (32K x 16) |
| SRAM | — | 4 KB |
| Connectivity | — | SPI, UART/USART |
| General Purpose I/O | — | 54 / 69 |
| Operating Voltage | — | 1.8 V to 5.5 V |
| Working Registers | — | 32 general purpose |
| Debug Interface | — | JTAG (on-chip debug, boundary scan) |
| Low Power Technology | — | picoPower |
| Temperature Range | — | Industrial (Ind Temp) |
| RoHS 状态 | — | Green (RoHS compliant) |
| Programming | — | ISP (In-System Programmable), read-while-write |