用SMART2200低成本的实现OV9650摄像头驱动，并在TFT上显示，基于ARM7操作频率较低，进行了像素时钟的降频，故输出一张图片的时间大于1S.-SMART2200 with the realization of low-cost drive OV9650 camera and TFT displays, the lower operating frequency based on the ARM7, a pixel clock frequency of the drop, so the