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