ATMEGA649-16MU vs ATMEGA649A-MU 对比
详细并排对比 ATMEGA649-16MU 出自 Microchip Technology 和 ATMEGA649A-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
ATMEGA649-16MU - 8-bit AVR MCU 64KB Flash 16MHz 64-QFN | Microchip
ATMEGA649-16MU ✓ 量产中规格对比
| 参数 | ATMEGA649-16MU | ATMEGA649A-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） | $4.80 | $4.42 |
| Core Processor | AVR | — |
| Core Size | 8-bit | — |
| Speed | 16 MHz | — |
| Flash Memory | 64 KB (32K x 16) | 64 KB (32K x 16) ISP Flash |
| EEPROM | 2 KB | 2 KB |
| RAM | 4 KB | — |
| GPIO | 54 / 69 | — |
| Connectivity | SPI, UART/USART | — |
| LCD Controller | On-chip LCD controller with internal contrast control | — |
| JTAG | Yes (boundary-scan and on-chip debug/programming) | — |
| Operating Voltage | [DATA_NEEDED: operating voltage range] | — |
| Oscillator Type | Internal | — |
| 工作温度 | [DATA_NEEDED: operating temperature range] | -40C to +85C (Industrial) |
| 封装 | 64-QFN (9x9 mm) with exposed pad (64-VFQFN) | 64-QFN (9x9 mm) with exposed pad (64-VFQFN) |
| 安装类型 | Surface Mount | Surface Mount |
| RoHS 状态 | [DATA_NEEDED: RoHS status] | Compliant (Green package) |
| Core Architecture | — | 8-bit AVR RISC |
| SRAM | — | 4 KB |
| Maximum Clock Speed | — | 16 MHz |
| Supply Voltage Range | — | 1.8 V to 5.5 V (4.5 V to 5.5 V for 16 MHz operation) |
| General Purpose I/O | — | 54/69 I/O lines |
| Working Registers | — | 32 general purpose registers |
| Debug Interface | — | JTAG (boundary scan and on-chip debug) |
| Program Memory Type | — | Flash (read-while-write) |
| Series | — | AVR ATmega |
| Core Performance | — | Up to 16 MIPS at 16 MHz (single-cycle instructions) |