ATMEGA329PA-AUR vs ATMEGA3290PA-AUR 对比
详细并排对比 ATMEGA329PA-AUR 出自 Microchip Technology 和 ATMEGA3290PA-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
ATMEGA3290PA-AUR - 8-Bit AVR MCU 32KB 20MHz TQFP-100 | Microchip
ATMEGA3290PA-AUR ✓ 量产中规格对比
| 参数 | ATMEGA329PA-AUR | ATMEGA3290PA-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 | $2.95 |
| Core Architecture | 8-bit AVR RISC (Harvard) | — |
| Family | ATmega (picoPower) | — |
| Program Memory (Flash) | 32 KB | — |
| EEPROM | 1 KB | — |
| SRAM | 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 | — |
| 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) | — |
| 工作温度 | -40C to +85C (Industrial) | -40C to +85C (Industrial) |
| 封装 | 64-pin TQFP (14x14 mm, 0.8 mm pitch) | TQFP-100 (14x14 mm), 0.8 mm pitch |
| 安装类型 | Surface Mount | Surface Mount |
| Programming Interface | JTAG / debugWIRE / ISP | — |
| RoHS 状态 | Compliant | Green / Compliant (per FindIC listing) |
| MSL 等级 | 3 (168 hours) | — |
| Core Processor | — | AVR |
| Core Size | — | 8-Bit |
| Program Memory Type | — | FLASH |
| Program Memory Size | — | 32KB (16K x 16) |
| RAM Size | — | 2KB |
| EEPROM Size | — | 1KB |
| 最大时钟频率 | — | 20 MHz |
| Supply Voltage Range | — | 4.5 V to 5.5 V |
| Instruction Set | — | 131 powerful instructions, most single-clock cycle |
| LCD Driver | — | 4 x 40 Segment LCD Driver |
| Timers | — | Two 8-bit timer/counters with separate prescaler and compare mode; one 16-bit timer/counter |
| Programming Method | — | In-System Programmable (ISP), self-programming Flash |
| Power Modes | — | Idle, Power-save, Power-down, Standby, Extended Standby (picoPower) |