ATMEGA649P-MU vs ATMEGA649V-8AUR 对比
详细并排对比 ATMEGA649P-MU 出自 Microchip Technology 和 ATMEGA649V-8AUR 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Microchip Technology
ATMEGA649V-8AUR - 8MHz AVR MCU 64KB Flash LCD | Microchip
ATMEGA649V-8AUR ✓ 量产中规格对比
| 参数 | ATMEGA649P-MU | ATMEGA649V-8AUR |
|---|---|---|
| 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） | $3.91 | $4.88 |
| Core Processor | AVR | — |
| Core Size | 8-Bit | — |
| Speed | 16 MHz | — |
| Flash Memory | 64 KB (32K x 16) | — |
| EEPROM | 2 KB | — |
| SRAM | 4 KB | — |
| Connectivity | SPI, UART/USART | — |
| General Purpose I/O | 54 / 69 | 54 I/O lines |
| LCD Controller | Yes (segment LCD driver) | — |
| 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 | — |
| 封装 | 64-QFN (9x9 mm), MLF/VQFN | 64-TQFP (14x14 mm) |
| 安装类型 | Surface Mount | Surface Mount |
| Temperature Range | Industrial (Ind Temp) | — |
| RoHS 状态 | Green (RoHS compliant) | Compliant |
| Programming | ISP (In-System Programmable), read-while-write | — |
| Core Architecture | — | 8-bit AVR RISC |
| Program Memory Size | — | 64KB (32K x 16) Flash |
| EEPROM Size | — | 2KB |
| SRAM Size | — | 4KB |
| 最大时钟频率 | — | 8 MHz |
| Supply Voltage Range | — | 1.8 V to 5.5 V |
| LCD Driver | — | Segment LCD controller (up to 4x40 / 132 segments per datasheet) |
| JTAG Interface | — | Yes (boundary-scan and on-chip debug) |
| Packaging | — | Tape & Reel (R suffix) |
| 生命周期状态 | — | Active (newer device available: ATMEGA649A) |
| 工作温度 | — | [DATA_NEEDED: operating temperature range] |
| ADC Resolution | — | [DATA_NEEDED: ADC resolution and channels] |
| Timers | — | [DATA_NEEDED: timer peripheral count and sizes] |
| Communication Interfaces | — | [DATA_NEEDED: USART/SPI/TWI count] |
| MIPS Rating | — | [DATA_NEEDED: MIPS at 8 MHz] |
| MSL Rating | — | [DATA_NEEDED: moisture sensitivity level] |