ATMEGA1281-16MUR vs ATMEGA1281V-8MUR 对比
详细并排对比 ATMEGA1281-16MUR 出自 Microchip Technology 和 ATMEGA1281V-8MUR 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
ATMEGA1281-16MUR - 8-Bit AVR MCU 16MHz 128KB Flash | Microchip
ATMEGA1281-16MUR ✓ 量产中Microchip Technology
ATMEGA1281V-8MUR - 8-bit AVR MCU 128KB Flash 8MHz | Microchip
ATMEGA1281V-8MUR ✓ 量产中规格对比
| 参数 | ATMEGA1281-16MUR | ATMEGA1281V-8MUR |
|---|---|---|
| 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） | $8.78 | $4.02 |
| Core | AVR 8-bit RISC | — |
| 最大时钟频率 | 16 MHz | — |
| Program Memory Size | 128 KB (64K x 16) Flash | — |
| SRAM Size | 8 KB | — |
| EEPROM Size | 4 KB | — |
| Supply Voltage Range | 2.7 V to 5.5 V | 1.8 V to 5.5 V |
| Number of I/O Lines | 54 | — |
| General Purpose Working Registers | 32 | — |
| Timers/Counters | 6 (flexible, with compare modes and PWM) | Six flexible timers with compare modes and PWM |
| USART Channels | 4 | — |
| Serial Interfaces | TWI (I2C-compatible), SPI | SPI (master/slave), 2-wire serial (I2C-compatible) |
| ADC Channels | 16-channel | — |
| 数据总线宽度 | 8 Bit | — |
| 封装 | 64-QFN (9x9 mm), VFQFN exposed pad | 64-QFN (9x9 mm), VQFN with exposed pad (MLF) |
| 安装类型 | Surface Mount | Surface Mount |
| Temperature Range | Industrial (-40C to +85C) | — |
| Life Cycle Stage | Active | — |
| Core Architecture | — | 8-bit AVR RISC |
| Clock Speed | — | 8 MHz |
| Flash Memory | — | 128 KB (64K x 16), ISP |
| SRAM | — | 8 KB |
| EEPROM | — | 4 KB |
| Instruction Set | — | 133 instructions, most single-cycle |
| General Purpose I/O | — | 54 lines |
| Serial USART | — | Four programmable USARTs |
| ADC | — | 8/16-channel, 10-bit |
| 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) |
| RoHS 状态 | — | Compliant (green package per FindIC listing) |
| 生命周期状态 | — | Active |