ATMEGA649A-AUR vs ATMEGA649P-MUR 对比
详细并排对比 ATMEGA649A-AUR 出自 Microchip Technology 和 ATMEGA649P-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
ATMEGA649A-AUR - 8-Bit AVR MCU, 64KB Flash, TQFP-64 | Microchip
ATMEGA649A-AUR ✓ 量产中Microchip Technology
ATMEGA649P-MUR - 16MHz 8-bit AVR MCU, 64KB Flash, 64-QFN | Microchip
ATMEGA649P-MUR ✓ 量产中规格对比
| 参数 | ATMEGA649A-AUR | ATMEGA649P-MUR |
|---|---|---|
| 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） | $5.72 | $5.10 |
| Core Architecture | 8-bit AVR RISC | — |
| Flash Program Memory | 64 KB (32K x 16) | — |
| EEPROM | 2 KB | — |
| SRAM | 4 KB | — |
| Maximum Clock Speed | 16 MHz | 16 MHz |
| Supply Voltage Range | 4.5 V to 5.5 V | 2.7 V to 5.5 V |
| I/O Ports | 53 general-purpose I/O lines | — |
| LCD Controller | Yes, on-chip with internal contrast control | Integrated, up to 4x25 segments |
| JTAG Interface | Yes (boundary-scan, on-chip debug, programming) | — |
| Instructions | 130 instructions, most single-cycle | — |
| 封装 | 64-TQFP (14x14 mm) | 64-QFN (9x9 mm) with exposed pad |
| 安装类型 | Surface Mount | Surface Mount |
| Flash Programming | In-System Programmable (ISP), read-while-write | — |
| Operating Temperature Grade | Industrial | — |
| 数据总线宽度 | 8 bit | — |
| 生命周期状态 | Active | — |
| Core Processor | — | AVR |
| Core Size | — | 8-Bit |
| Program Memory (Flash) | — | 64 KB (32K x 16) |
| EEPROM Size | — | 2 KB |
| SRAM Size | — | 4 KB |
| General-Purpose I/O Lines | — | 54/69 |
| 工作温度 | — | -40C to +85C (Industrial) |
| ADC | — | 10-bit, up to 8 channels |
| Timers/Counters | — | Two 8-bit, One 16-bit |
| Communication Interfaces | — | USART, SPI, TWI (I2C) |
| Debug Interface | — | JTAG / debugWIRE |
| Watchdog Timer | — | Yes, with separate on-chip oscillator |
| RoHS 状态 | — | Compliant |
| Lead-Free / Green | — | Yes (Green) |
| Packing Media | — | Tape and Reel (4000 per reel) |