ATMEGA1284-AUR vs ATMEGA128A-AUR 对比
详细并排对比 ATMEGA1284-AUR 出自 Microchip Technology 和 ATMEGA128A-AUR 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
ATMEGA1284-AUR - 8-Bit AVR MCU 128KB Flash 20MHz | Microchip
ATMEGA1284-AUR ✓ 量产中Microchip Technology
ATMEGA128A-AUR - 8-Bit AVR MCU 128KB Flash 16MHz TQFP-64 | Microchip
ATMEGA128A-AUR ✓ 量产中规格对比
| 参数 | ATMEGA1284-AUR | ATMEGA128A-AUR |
|---|---|---|
| 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） | $4.61 | $3.12 |
| Core Architecture | 8-bit AVR RISC | AVR 8-bit RISC |
| Program Memory Size | 128 KB ISP Flash (64K x 16) | — |
| SRAM | 16 KB | 4KB |
| EEPROM | 4 KB | 4KB |
| 最大时钟频率 | 20 MHz | 16 MHz |
| Throughput | Up to 20 MIPS at 20 MHz | — |
| Supply Voltage Range | 1.8 V to 5.5 V | 2.7 V to 5.5 V |
| Operating Voltage (Full 20 MHz) | 2.7 V to 5.5 V | — |
| General Purpose I/O Lines | 32 | — |
| General Purpose Working Registers | 32 | — |
| Instruction Set | 131 powerful instructions, most single-clock cycle | 133 powerful instructions, most single-cycle |
| ADC | 8-channel, 10-bit successive approximation | — |
| USART Interfaces | 2 | — |
| Timer/Counters | 3 flexible timer/counters with compare modes and PWM | — |
| 封装 | 44-pin TQFP (10x10 mm) | 64-TQFP (14x14 mm) |
| 安装类型 | Surface Mount | Surface Mount |
| Packaging | Tape & Reel | — |
| 工作温度 | -40C to +85C | Industrial range ([DATA_NEEDED: exact min/max C]) |
| RoHS 状态 | Compliant | [DATA_NEEDED: RoHS status] |
| Lifecycle Stage | Active | — |
| Flash Memory | — | 128KB (64K x 16) In-System Programmable |
| I/O Lines | — | 53 |
| Working Registers | — | 32 general purpose |
| Timers/Counters | — | 4 flexible timer/counters with compare modes and PWM |
| USARTs | — | 2 |
| Serial Interfaces | — | TWI (I2C), SPI, 2x USART |
| Real-Time Counter | — | Yes |