ATMEGA1281-16AU vs ATMEGA128-16ANR 对比
详细并排对比 ATMEGA1281-16AU 出自 Microchip Technology 和 ATMEGA128-16ANR 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
ATMEGA1281-16AU - 8-Bit AVR MCU 128KB Flash 16MHz | Microchip
ATMEGA1281-16AU ✓ 量产中Microchip Technology
ATMEGA128-16ANR - 8-Bit AVR MCU 128KB 16MHz TQFP-64 | Microchip (Tape & Reel)
ATMEGA128-16ANR ✓ 量产中规格对比
| 参数 | ATMEGA1281-16AU | ATMEGA128-16ANR |
|---|---|---|
| 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） | $8.27 | $7.44 |
| Core Architecture | AVR 8-bit RISC | 8-bit AVR RISC |
| 最大时钟频率 | 16 MHz | — |
| Flash Memory | 128 KB (64K x 16) ISP FLASH | 128 KB (64K x 16) |
| SRAM | 8 KB (8K x 8) | 4 KB |
| EEPROM | 4 KB (4K x 8) | 4 KB |
| 电源电压 | 2.7 V to 5.5 V | — |
| I/O Pins | 54 | — |
| ADC | 8-channel 10-bit | 8-channel, 10-bit |
| USARTs | 2 | — |
| 封装 | 64-TQFP (14 x 14 mm) | 64-TQFP (14x14 mm) |
| 安装类型 | Surface Mount | Surface Mount |
| 工作温度 | -40C to +85C | -40C to +85C |
| 数据总线宽度 | 8 Bit | — |
| Oscillator Type | Internal | — |
| Life Cycle Stage | ACTIVE | — |
| RoHS 状态 | Green / RoHS compliant (per Jotrin: GREEN packaging) | unknown |
| Core Size | — | 8-bit |
| Max Clock Frequency | — | 16 MHz |
| Peak Throughput | — | 16 MIPS at 16 MHz |
| Operating Voltage Range | — | 4.5 V to 5.5 V |
| General Purpose I/O | — | 53 lines |
| Timers/Counters | — | 4 with compare modes and PWM |
| USART | — | 2 |
| Communication Interfaces | — | 2x USART, TWI (I2C), SPI |
| Debug / Boundary Scan | — | JTAG (IEEE 1149.1 interface for on-chip debugging) |
| Instructions | — | 131 instructions, most single-cycle |
| Working Registers | — | 32 general purpose |