ATMEGA329PA-AUR vs ATMEGA329A-AUR 对比
详细并排对比 ATMEGA329PA-AUR 出自 Microchip Technology 和 ATMEGA329A-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
ATMEGA329PA-AUR - 8-bit AVR MCU, 32KB Flash, 20MHz, 64-TQFP | Microchip
ATMEGA329PA-AUR ✓ 量产中Microchip Technology
ATMEGA329A-AUR - AVR 8-bit MCU 32KB Flash 20MHz | Microchip
ATMEGA329A-AUR ✓ 量产中规格对比
| 参数 | ATMEGA329PA-AUR | ATMEGA329A-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） | $5.94 | $2.68 |
| Core Architecture | 8-bit AVR RISC (Harvard) | AVR 8-bit RISC |
| Family | ATmega (picoPower) | — |
| Program Memory (Flash) | 32 KB | — |
| EEPROM | 1 KB | 1KB |
| SRAM | 2 KB | 2KB |
| 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 | — |
| Timers/Counters | Two 8-bit + One 16-bit | — |
| ADC | 8-channel, 10-bit | 10-bit |
| Serial Interfaces | USART, SPI, TWI (I2C) | — |
| LCD Controller | Up to 4x25 segments (integrated) | Integrated, up to 132 segments |
| 工作温度 | -40C to +85C (Industrial) | [DATA_NEEDED: operating temperature range] |
| 封装 | 64-pin TQFP (14x14 mm, 0.8 mm pitch) | 64-TQFP (14x14 mm) |
| 安装类型 | Surface Mount | Surface Mount |
| Programming Interface | JTAG / debugWIRE / ISP | ICSP (In-Circuit Serial Programming) |
| RoHS 状态 | Compliant | [DATA_NEEDED: RoHS status] |
| MSL 等级 | 3 (168 hours) | — |
| Flash Memory | — | 32KB (16K x 16) |
| Maximum Clock Speed | — | 20MHz |
| Supply Voltage Range | — | 1.8V to 5.5V |
| I/O Ports | — | 32 I/O lines |
| Package Pitch | — | 0.8 mm |
| Package Height | — | 1 mm |
| Life Cycle Stage | — | Active |
| Qualification | — | Industrial grade (Ind Grn) |