基于TMS320C620X系列DSP的SAA7113H控制实现

Implement of Control of SAA7113H Based on DSP of TMS320C620X Series

介绍了视频输入处理芯片SAA7113H的功能与特点和I2C总线的特点及时序,着重阐述了图像处理系统中一种利用TMS320C620X系列DSP的McBSP口虚拟实现I2C总线,控制SAA7113H的硬件接口和软件实现方法。

The function and character of SAA7113H, the character and timing of I^2C bus are presented. A hardware port method of controling SAA7113H is presentod which simulates I^2C bus using TMS320C620X DSP＇s McBSP port.