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