这是红外遥控信号接收集成电路的技术资料，对与相关嵌入式系统开发人员大有用处-This is the infrared remote control receiver IC technical information, related to embedded system developers very useful

NEC红外编码，IO模拟，C51程序，使用在一个双向DVD系统中，通过遥控器查看播放信息，和控制播放等。-NEC infrared codes, IO simulation, C51, the use of the DVD in a two-way system, Remote View through broadcast information, and control shows.