ATMEGA1281V-8MU vs ATMEGA2561V-8MU 对比
详细并排对比 ATMEGA1281V-8MU 出自 Microchip Technology 和 ATMEGA2561V-8MU 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
ATMEGA2561V-8MU - 8-bit AVR MCU, 256KB Flash, 8MHz | Microchip
ATMEGA2561V-8MU ✓ 量产中规格对比
| 参数 | ATMEGA1281V-8MU | ATMEGA2561V-8MU |
|---|---|---|
| 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） | $5.92 | $11.75 |
| Core Architecture | AVR 8-bit RISC | 8-bit AVR RISC |
| 数据总线宽度 | 8 Bit | — |
| Maximum Clock Speed | 8 MHz | — |
| Flash Memory | 128 KB (64K x 16) In-System Programmable | — |
| SRAM | 8 KB | 8 KB |
| EEPROM | 4 KB | 4 KB |
| Supply Voltage Range | 1.8 V to 5.5 V | — |
| General Purpose I/O | 54 lines | — |
| Timers/Counters | 6 (two 8-bit, four 16-bit) | 6 flexible timer/counters with compare and PWM modes |
| ADC | 8-channel, 10-bit | 8-channel, 10-bit ADC |
| USART | 2 | 4 programmable serial USARTs |
| SPI | 1 | Master/Slave SPI serial interface |
| TWI (I2C-compatible) | 1 | Byte-oriented 2-wire serial interface |
| JTAG Debug / Boundary Scan | Yes | — |
| Instructions | 133, most single-cycle | — |
| Working Registers | 32 x 8-bit | — |
| 封装 | 64-QFN (MLF), 9 x 9 mm | 64-QFN (MU), 9 x 9 mm with exposed pad |
| 安装类型 | Surface Mount | Surface Mount |
| RoHS 状态 | Compliant (green package) | Compliant |
| Lifecycle Stage | ACTIVE | — |
| 最大时钟频率 | — | 8 MHz |
| Throughput | — | Up to 16 MIPS at 16 MHz (8 MHz grade for V variant) |
| Program Memory (Flash) | — | 256 KB (128K x 16) |
| Operating Voltage Range (V variant) | — | 1.8 V to 5.5 V |
| General-Purpose I/O Lines | — | 86 |
| General-Purpose Working Registers | — | 32 x 8 |
| Analog Comparator | — | On-chip |
| Watchdog Timer | — | Programmable, with separate on-chip oscillator |
| 工作温度 | — | -40 C to +85 C (industrial) |