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，外部时钟PLCK.定时器匹配 查询定时器停止位、定时器匹配 查询中断标志:本程序利用定时器产生1S的时间中断，同时切换LED状态，采用查询方式 定时器匹配 定时器硬件延时函数：本程序使用定时器作为硬件延时函数；定时器匹配 定时器硬件延时函数： 本程序利用定时器产生1S的时间中断，同时切换LED状态，采用中断方式；定时器匹配输出：本程序利用定时器产生1S的时间中断，同时切换LED状态-Using controller chips LPC1768 series CORTEX-M3 core processor, clock oscillator XT = 12MHZ, the system clock 96MHZ, PLCK external clock timer stop bit timer match the query, the query timer match interrupt flag: This program uses a timer to generate 1S time intervals, while the switching state LED, using query mode　timer match hardware timer delay function: this program uses a hardware timer delay function　timer match hardware timer delay function: this program uses a timer 1S interrupt generation time, simultaneous switching LED status, interrupt mode　timer match output: the program uses a timer interrupt generated 1S time while switching LED status