LPC1766芯片的SPI接口与AD7910模数芯片通信采集AD数据；IIC接口外接铁电存储器存储永久数据；CAN口用于与上位机通过CAN通信。-LPC1766 chip SPI interface to communicate with the AD7910 chip module data acquisition AD IIC interface to external memory to store permanent data ferroelectric CAN ports for