ATMEGA645P-AUR vs ATMEGA3290P-20AUR 对比
详细并排对比 ATMEGA645P-AUR 出自 Microchip Technology 和 ATMEGA3290P-20AUR 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
ATMEGA645P-AUR - 8-bit AVR MCU, 64KB Flash, 16MHz | Microchip
ATMEGA645P-AUR ✓ 量产中Microchip Technology
ATMEGA3290P-20AUR - AVR 8-Bit MCU 32KB 20MHz | Microchip
ATMEGA3290P-20AUR ✓ 量产中规格对比
| 参数 | ATMEGA645P-AUR | ATMEGA3290P-20AUR |
|---|---|---|
| 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） | $4.50 | $0.00 |
| Core Architecture | AVR 8-bit RISC | AVR 8-bit RISC CMOS |
| 数据总线宽度 | 8 Bit | — |
| Flash Memory | 64KB (32K x 16) In-System Programmable | — |
| EEPROM | 2KB | 1 KB |
| SRAM | 4KB | 2 KB |
| 最大时钟频率 | 16 MHz | 20 MHz |
| 电源电压 | 4.5 V to 5.5 V (16 MHz industrial speed grade) | — |
| I/O Ports | 53 I/O lines | — |
| 封装 | 64-TQFP (14x14 mm) | 100-TQFP (14x14 mm) |
| 安装类型 | Surface Mount | Surface Mount |
| 工作温度 | -40C to +85C (A = industrial grade) | -40C to +85C (industrial) |
| Programming Interface | ICSP (In-Circuit Serial Programming) | — |
| General Purpose Registers | 32 directly connected to ALU | — |
| Lifecycle Stage | Active | — |
| RoHS 状态 | [DATA_NEEDED: RoHS compliance status] | Green / RoHS compliant per distributor data |
| Packaging | Tape & Reel (R suffix) | — |
| MSL Rating | [DATA_NEEDED: moisture sensitivity level] | — |
| Program Memory (Flash) | — | 32 KB (16K x 16) ISP, read-while-write |
| Peak Performance | — | 20 MIPS (approx. 1 MIPS/MHz) |
| Instruction Set | — | 130 instructions, most single-cycle |
| General-Purpose I/O | — | 69 lines |
| Working Registers | — | 32 |
| Supply Voltage Range | — | 2.7 V to 5.5 V |
| LCD Controller | — | Yes, on-chip segment LCD driver |
| Debug / Programming | — | JTAG on-chip debug, ICSP self-programming |
| Low-Power Technology | — | picoPower |
| Packing | — | Tape & Reel (R suffix) |