汽车行驶记录仪的数据初始化组件,主要通过RS232串口或者USB口写数据到单片机,详细协议及数据格式参见国标的相关文件,该系统已经通过的国家公安部的标准检测-Vehicle Data Recorder initialization components, primarily through the RS232 serial or USB port to write data to the microcontroller, detailed agreement and data format See National Standard document, which has been adopted by the Ministry of National Standard Test