系统以MSP430F2274单片机为核心，通过C语言编程，实现从AD和CPLD读取数据，从而实现模拟量和频率量的检测；同时实现对片外看门狗x5045的读写操作。,MSP430F2274 MCU system to the core, through the C language programming, from the AD and the CPLD to read data in order to achieve analog quantity and frequency of detection　at the same time realize the chip s read and write operation X5045 watchdog.