ATMEGA3209-AUR vs ATMEGA4809-AUR 对比
详细并排对比 ATMEGA3209-AUR 出自 Microchip Technology 和 ATMEGA4809-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。
规格对比
| 参数 | ATMEGA3209-AUR | ATMEGA4809-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） | $1.72 | $1.74 |
| Core Processor | AVR 8-bit | AVR |
| Core Size | 8-Bit | 8-Bit |
| Series | megaAVR 0 | — |
| Maximum Clock Speed | 20 MHz | — |
| Program Memory (Flash) | 32 KB | 48 KB (24K x 16) |
| SRAM | 4 KB | 6 KB |
| EEPROM | 256 bytes | 256 Bytes |
| Supply Voltage (VDD) | 1.8 V to 5.5 V | — |
| 工作温度 | -40°C to +85°C | — |
| 封装 | 48-pin TQFP (7x7 mm) | 48-TQFP (7x7 mm) |
| 安装类型 | Surface Mount (Tape & Reel) | Surface Mount |
| ADC | 10-bit, multiple channels | 16-channel x 10-bit |
| Connectivity | I²C, SPI, UART/USART | — |
| Peripherals | Brown-out Detect, Watchdog, PWM, Timer | — |
| Hardware Multiplier | Yes | — |
| RoHS 状态 | Compliant | Compliant |
| MSL 等级 | 3 | — |
| Maximum CPU Clock | — | 20 MHz |
| Operating Voltage Range | — | 1.8 V to 5.5 V |
| GPIO Count | — | Up to 41 (on 48-pin package) |
| Timers | — | 5 |
| Communication Interfaces | — | 4 USART, I2C, SPI |
| Debug Interface | — | UPDI (single-wire) |
| 工作温度范围 | — | -40 C to +85 C (industrial) |