ATMEGA1281V-8MUR vs ATMEGA128A-ANR 对比
详细并排对比 ATMEGA1281V-8MUR 出自 Microchip Technology 和 ATMEGA128A-ANR 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
ATMEGA1281V-8MUR - 8-bit AVR MCU 128KB Flash 8MHz | Microchip
ATMEGA1281V-8MUR ✓ 量产中Microchip Technology
ATMEGA128A-ANR - 8-bit AVR MCU 128KB Flash 16MHz | Microchip
ATMEGA128A-ANR ✓ 量产中规格对比
| 参数 | ATMEGA1281V-8MUR | ATMEGA128A-ANR |
|---|---|---|
| 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 | $7.96 |
| Core Architecture | 8-bit AVR RISC | AVR 8-bit RISC |
| Clock Speed | 8 MHz | — |
| Flash Memory | 128 KB (64K x 16), ISP | 128 KB (64K x 16) |
| SRAM | 8 KB | 4 KB |
| EEPROM | 4 KB | 4 KB |
| Supply Voltage Range | 1.8 V to 5.5 V | — |
| Instruction Set | 133 instructions, most single-cycle | — |
| General Purpose I/O | 54 lines | 53 I/O lines |
| Timers/Counters | Six flexible timers with compare modes and PWM | — |
| Serial USART | Four programmable USARTs | — |
| ADC | 8/16-channel, 10-bit | 8-channel 10-bit |
| Serial Interfaces | SPI (master/slave), 2-wire serial (I2C-compatible) | — |
| Debug / Programming | JTAG on-chip debug, In-Circuit Serial Programming (ICSP) | — |
| Watchdog Timer | Programmable WDT with separate on-chip oscillator | — |
| Analog Comparator | On-chip analog comparator | — |
| 工作温度 | -40C to +85C (industrial) | [DATA_NEEDED: operating temperature range] |
| 封装 | 64-QFN (9x9 mm), VQFN with exposed pad (MLF) | 64-TQFP (14x14 mm) |
| 安装类型 | Surface Mount | Surface Mount |
| RoHS 状态 | Compliant (green package per FindIC listing) | Green (per Mouser) |
| 生命周期状态 | Active | — |
| 最大时钟频率 | — | 16 MHz |
| Working Registers | — | 32 general purpose |
| Instructions | — | 135 instructions, most single-cycle |
| Timer/Counters | — | 4 flexible timer/counters |
| USART | — | 2 |
| Interfaces | — | SPI, TWI (I2C-compatible), JTAG |
| External Memory Interface | — | Yes (WR, RD, ALE) |
| Pin Compatibility | — | 100% compatible with ATmega103 |