ATMEGA649P-MUR vs ATMEGA64A-MUR 对比
详细并排对比 ATMEGA649P-MUR 出自 Microchip Technology 和 ATMEGA64A-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
ATMEGA649P-MUR - 16MHz 8-bit AVR MCU, 64KB Flash, 64-QFN | Microchip
ATMEGA649P-MUR ✓ 量产中Microchip Technology
ATMEGA64A-MUR - AVR 8-bit MCU 64KB Flash 16MHz QFN-64 | Microchip
ATMEGA64A-MUR ✓ 量产中规格对比
| 参数 | ATMEGA649P-MUR | ATMEGA64A-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） | $5.10 | $4.42 |
| Core Processor | AVR | — |
| Core Size | 8-Bit | — |
| Maximum Clock Speed | 16 MHz | 16 MHz |
| Program Memory (Flash) | 64 KB (32K x 16) | — |
| EEPROM Size | 2 KB | 2KB |
| SRAM Size | 4 KB | 4KB (4K x 8) |
| General-Purpose I/O Lines | 54/69 | — |
| Supply Voltage Range | 2.7 V to 5.5 V | 2.7 V to 5.5 V |
| 工作温度 | -40C to +85C (Industrial) | — |
| 封装 | 64-QFN (9x9 mm) with exposed pad | — |
| 安装类型 | Surface Mount | Surface Mount |
| LCD Controller | Integrated, up to 4x25 segments | — |
| ADC | 10-bit, up to 8 channels | — |
| Timers/Counters | Two 8-bit, One 16-bit | 4 flexible timer/counters plus real-time counter |
| 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) | — |
| Core Architecture | — | AVR 8-bit RISC |
| Program Memory Size | — | 64KB (32K x 16) Flash |
| Program Memory Type | — | ISP Flash, read-while-write |
| Number of I/O | — | 53 |
| General Purpose Working Registers | — | 32 |
| Instruction Set | — | 130 powerful instructions, most single-cycle |
| Oscillator Type | — | Internal |
| 封装 / 外壳 | — | 64-VFQFN Exposed Pad (9x9 mm) |
| Temperature Grade | — | Industrial (-40C to +85C) |
| Packaging | — | Tape & Reel |
| Programming Interface | — | ISP (In-System Programmable), JTAG |