ATMEGA808-AFR vs ATMEGA3209-AFR 对比
详细并排对比 ATMEGA808-AFR 出自 Microchip Technology 和 ATMEGA3209-AFR 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
ATMEGA808-AFR - 20MHz 8KB Flash AVR MCU TQFP-32 | Microchip
ATMEGA808-AFR ✓ 量产中Microchip Technology
ATMEGA3209-AFR - 8-bit AVR 20MHz 32KB Flash MCU | Microchip
ATMEGA3209-AFR ✓ 量产中规格对比
| 参数 | ATMEGA808-AFR | ATMEGA3209-AFR |
|---|---|---|
| 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） | $0.79 | $1.71 |
| Core Processor | AVR (8-bit) with hardware multiplier | AVR |
| Core Size | 8-bit | 8-bit |
| 最大时钟频率 | 20 MHz | — |
| Flash Memory Size | 8 KB (8K x 8) | — |
| SRAM Size | 1 KB | — |
| EEPROM Size | 256 bytes | — |
| 封装 | 32-TQFP (7x7 mm) | 48-TQFP (7x7 mm), 0.5 mm pitch |
| 引脚数 | 32 | — |
| 工作温度范围 | -40C to +125C | — |
| Series | megaAVR 0 (Functional Safety / FuSa) | — |
| 安装类型 | Surface Mount | Surface Mount |
| Qualification | AEC-Q100 (automotive grade, AFR suffix) | — |
| 电源电压 | [DATA_NEEDED: supply voltage range] | — |
| Number of I/O | [DATA_NEEDED: number of GPIO] | — |
| ADC Resolution | [DATA_NEEDED: ADC resolution and channels] | — |
| Communication Interfaces | [DATA_NEEDED: USART/SPI/TWI counts] | — |
| RoHS 状态 | Compliant | Compliant |
| Moisture Sensitivity Level | [DATA_NEEDED: MSL level] | — |
| Core Series | — | megaAVR 0 |
| Maximum CPU Clock | — | 20 MHz |
| Program Memory (Flash) | — | 32 KB (16K x 16) |
| SRAM | — | 4 KB |
| EEPROM | — | 256 bytes |
| Supply Voltage (VDD) | — | 1.8 V to 5.5 V |
| 工作温度 | — | -40C to +125C (industrial) |
| I/O Pins | — | [DATA_NEEDED: I/O pin count] |
| Connectivity | — | I2C, SPI, UART/USART |
| Peripherals | — | Brown-out Detect, Watchdog, CIPs, Event System |
| ADC | — | [DATA_NEEDED: ADC resolution and channel count] |
| Programming Interface | — | UPDI (single-wire) |
| Functional Safety | — | FuSa / IEC 60730 Class B documented |
| MSL 等级 | — | 3 |