ATMEGA128A-MU vs ATMEGA1284P-MUR 对比
详细并排对比 ATMEGA128A-MU 出自 Microchip Technology 和 ATMEGA1284P-MUR 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
ATMEGA128A-MU - 8-bit AVR MCU 128KB 16MHz 64-QFN | Microchip (Tape & Reel)
ATMEGA128A-MU ✓ 量产中Microchip Technology
ATMEGA1284P-MUR - 8-bit AVR MCU 20MHz 128KB Flash | Microchip
ATMEGA1284P-MUR ✓ 量产中规格对比
| 参数 | ATMEGA128A-MU | ATMEGA1284P-MUR |
|---|---|---|
| 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） | $5.20 | $0.00 |
| Core Processor | AVR | — |
| Core Size | 8-Bit | — |
| Maximum Clock Speed | 16 MHz | — |
| Flash Memory | 128 KB (64K x 16) | — |
| EEPROM | 4 KB | 4 KB |
| SRAM | 4 KB | 16 KB |
| Supply Voltage Range | 2.7 V to 5.5 V | 2.7 V to 5.5 V |
| General Purpose I/O | 53 lines | — |
| Working Registers | 32 general purpose | 32 x 8 general purpose |
| Instructions | 133 powerful instructions, most single-cycle | 131 instructions, most single-cycle |
| Timer/Counters | 4 flexible timer/counters with compare modes and PWM | 3 (with compare modes and PWM) |
| Connectivity | EBI/EMI, I2C (Two-Wire Interface), SPI, UART/USART (2x USART) | — |
| Real-Time Counter | Yes | — |
| 封装 | 64-VFQFN Exposed Pad (9x9 mm) | 44-VQFN (7x7 mm), exposed pad |
| 安装类型 | Surface Mount | Surface Mount |
| 工作温度 | [DATA_NEEDED: operating temperature range] | — |
| Packaging | Tape & Reel (TR) | — |
| 生命周期状态 | Active | — |
| Core | — | AVR 8-bit RISC |
| Max Clock Frequency | — | 20 MHz |
| Flash Program Memory | — | 128 KB (64K x 16), In-System Programmable |
| Throughput | — | Up to 20 MIPS at 20 MHz |
| General Purpose I/O Lines | — | 32 |
| USARTs | — | 2 |
| ADC | — | 8-channel, 10-bit |
| Serial Interfaces | — | TWI (I2C, byte-oriented), SPI, 2x USART |
| Real Time Counter | — | Yes (RTC) |
| Multiplier | — | On-chip 2-cycle hardware multiplier |
| Debug / Programming | — | ISP (In-Circuit Serial Programming), JTAG |
| Life Cycle Stage | — | Active |