| 属性 | 参数值 | | | 商品目录 | ATMEL(爱特梅尔)/AVR | | | 额外特性 | - | | | UART/USART | 1 | | | SPI | 2 | | | USB Device | 0 | | | PWM | 6 | | | USB Host/OTG | 0 | | | LCD | 0 | | | I2C/SMBUS | 1 | | | 工作电压 | 1.8V ~ 5.5V | | | Ethernet | 0 | | | EEPROM 尺寸 | 512Bytes | | | CAN | 0 | | | A/D | 8x10bit | | | D/A | 0 | | | CPU位数 | 8-Bit | | | CPU内核 | AVR | | | ROM尺寸 | 8KB (4KW) | | | RAM大小 | 1KB | | | 主频（MAX) | 20MHz | | | ROM类型 | FLASH | | | I/O 数量 | 23 | |