DSP通用Ｉ/O接口控制,系统时钟控制,DAM stop模式视频输出。实现DSP通用接口及按键控制，实现画面分割，内插图像成为ITU-R656 NTSC格式后输出到电视监视器上-DSP Universal I/O interface control, system clock control, DAM stop mode video output. To achieve common interface and button control DSP, based on the complete