采用的主控芯片LPC1768系列CORTEX-M3内核处理器，时钟晶振XT=12MHZ，系统时钟96MHZ,本程序利用KEY1控制发光二极管的状态变化，读取按键采用边沿中断方式-Using master chip LPC1768 series CORTEX-M3 core processor, clock oscillator XT = 12MHZ, system clock 96MHZ, using this procedure KEY1 control LED behavior changes, the key is read using interrupt