MP4插件开发教程，适用昂达VX系列采用君正JZ4740等芯片方案-Plug-in Development Guide MP4 for Onda VX series, such as Jun is JZ4740 chip program

JZ4750数据手册，完整版，详细说明了各个集成的功能,可用作MP4 开发-JZ4750 data sheet, full version, detailed descr iption of the various integrated function， use for mp4 design