总述DM6437 EVM板的一些硬件接口及板上所具备的一些设备器件，特别是跟音视频相关的接口，主要是物理层面的描述. 然后是概述DM6437 SOC上所有外设接口-Overview DM6437 EVM board and the board of a number of hardware interface with some of the equipment devices, especially with audio and video-related interfaces, mainl