ATMEGA329A-AUR vs ATMEGA325A-AUR 对比
详细并排对比 ATMEGA329A-AUR 出自 Microchip Technology 和 ATMEGA325A-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
ATMEGA325A-AUR - 32KB Flash 20MHz 8-Bit AVR MCU | Microchip
ATMEGA325A-AUR ✓ 量产中规格对比
| 参数 | ATMEGA329A-AUR | ATMEGA325A-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 | $2.72 |
| Core Architecture | AVR 8-bit RISC | 8-bit AVR RISC |
| Flash Memory | 32KB (16K x 16) | — |
| SRAM | 2KB | — |
| EEPROM | 1KB | — |
| Maximum Clock Speed | 20MHz | — |
| Supply Voltage Range | 1.8V to 5.5V | 1.8 V to 5.5 V |
| I/O Ports | 32 I/O lines | — |
| LCD Controller | Integrated, up to 132 segments | — |
| ADC | 10-bit | — |
| 封装 | 64-TQFP (14x14 mm) | 64-TQFP (14x14 mm), 0.8 mm pitch |
| Package Pitch | 0.8 mm | — |
| Package Height | 1 mm | — |
| 安装类型 | Surface Mount | — |
| Programming Interface | ICSP (In-Circuit Serial Programming) | — |
| 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] | — |
| Program Memory Size | — | 32 KB (16K x 16) ISP Flash |
| SRAM Size | — | 2 KB |
| EEPROM Size | — | 1 KB |
| 最大时钟频率 | — | 20 MHz |
| Number of I/O Lines | — | 54 |
| 安装方式 | — | Surface Mount |
| Instruction Set | — | 131 instructions, mostly single-cycle |
| ADC Resolution | — | 10-bit |
| Timers | — | 2 x 8-bit, 1 x 16-bit |
| Communication Interfaces | — | 2 x USART, SPI, TWI (I2C) |
| Debug / Programming | — | JTAG, ICSP in-system programming |
| 生命周期状态 | — | Active |
| Reel Packaging | — | Tape & Reel (R suffix) |