介绍了基于嵌入式实时操作系统uCOS - ii 的有线数字电视机顶盒的设计及其组成,并阐述其

具体实现,该机顶盒以实时多任务操作系统uCOS - ii 为核心,以信道解码模块、信号解码模块和网络链

接接口模块、遥控交互模块为基础,以有线电视机顶盒专用芯片MB87M2140 为主要实现方式,有效实现

了数字电视信号的交互应用-Introduce a real-time operating system based on embedded uCOS- ii cable digital TV set-top box design and its components, and explains its concrete realization of the set-top box in real-time multi-tasking operating system uCOS- ii as a core and channel decoding module, signal decoding modules and network link interface module, remote control-based interactive module to cable TV set-top box ASIC MB87M2140 realize as the main way of effective realization of the digital TV signals in interactive applications