ATMEGA329PA-AUR vs ATMEGA3290P-20AUR 对比
详细并排对比 ATMEGA329PA-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
ATMEGA329PA-AUR - 8-bit AVR MCU, 32KB Flash, 20MHz, 64-TQFP | Microchip
ATMEGA329PA-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 | ATMEGA329PA-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） | $5.94 | $0.00 |
| Core Architecture | 8-bit AVR RISC (Harvard) | AVR 8-bit RISC CMOS |
| Family | ATmega (picoPower) | — |
| Program Memory (Flash) | 32 KB | 32 KB (16K x 16) ISP, read-while-write |
| EEPROM | 1 KB | 1 KB |
| SRAM | 2 KB | 2 KB |
| Maximum CPU Speed | 20 MHz | — |
| 电源电压 | 2.7 V to 5.5 V (4.5 V to 5.5 V at 20 MHz) | — |
| General-Purpose I/O | 54 | 69 lines |
| Timers/Counters | Two 8-bit + One 16-bit | — |
| ADC | 8-channel, 10-bit | — |
| Serial Interfaces | USART, SPI, TWI (I2C) | — |
| LCD Controller | Up to 4x25 segments (integrated) | Yes, on-chip segment LCD driver |
| 工作温度 | -40C to +85C (Industrial) | -40C to +85C (industrial) |
| 封装 | 64-pin TQFP (14x14 mm, 0.8 mm pitch) | 100-TQFP (14x14 mm) |
| 安装类型 | Surface Mount | Surface Mount |
| Programming Interface | JTAG / debugWIRE / ISP | — |
| RoHS 状态 | Compliant | Green / RoHS compliant per distributor data |
| MSL 等级 | 3 (168 hours) | — |
| 最大时钟频率 | — | 20 MHz |
| Peak Performance | — | 20 MIPS (approx. 1 MIPS/MHz) |
| Instruction Set | — | 130 instructions, most single-cycle |
| Working Registers | — | 32 |
| Supply Voltage Range | — | 2.7 V to 5.5 V |
| Debug / Programming | — | JTAG on-chip debug, ICSP self-programming |
| Low-Power Technology | — | picoPower |
| Packing | — | Tape & Reel (R suffix) |