利用dsPIC30F2012A实现的定时器，可产生任意频率，任意周期的脉冲。程序包含最小系统，对初学者构建dsPIC单片机的入门有极大帮助。-Use dsPIC30F2012A achieve timer can generate any frequency, pulse arbitrary cycle. Program includes a minimum system, for beginners to build dsPIC MCU entry great help.