本程序为DSP应用程序，为f2812系列AD模块使用实验范例。该程序在CCS2000上编译通过，并在线调试成功。-This procedure for the DSP application modules for the f2812 series of experimental examples of AD. The program compiled by CCS2000 and debugging success.

2812DDB里面有电源，DA转换，AD转换，PWM触发的电路-2812 have the power inside, DA converter, AD converter, PWM trigger circuit