The implementing of each module is introduced in principle. Some key problems are discussed with emphasis, such as video signal storing, DSP boot loading, asynchronous serial interface extending etc.

原理性地介绍了各模块的实现方法，重点讨论了视频信号的存储、DSP程序的引导装载、异步串行通信接口的扩展等关键性问题。

youdao

This module has a RS-422 interface and two standard PAL TV video output channel.

该模块具有RS-422总线接口与两路PAL制式复合视频输出端。

youdao

The VGA solutions include a proprietary connector cable and interface module to accomplish all audio and video transfer and a 1.5-meter USB cable for charging iPhone 5.

ENGADGET: Pioneer announces iPhone 5 connectivity kits for AppRadio 2 and friends