摘要
介绍一种以视频芯片MTV230为核心的电视软件系统OSD模块的设计。通过该模块的设计来控制视频解码芯片、声音处理芯片、Video视频信号逐行处理芯片、行场扫描芯片和视频信号预视放芯片,以及遥控信号的处理和数据的相关存储。作为整个系统的核心控制器件,MTV230内部的MCU通过I2C总线控制各个部件与模块,使软件程序采用统一架构描述各种控制信息,使代码更加简洁,运行更稳定。
This paper describes the OSD module design of a TV software system, which takes the video-chip MTV230 as the core. MTV230 controls video decoding chip, audio processing chip, video signal processing chip, horizontal and vertical scanning chip, video signal amplifier chip, as well as remote control signal processing and data storage. As the core of the whole system control devices, MTV230＇s internal MCU controls the various components and modules through I^2C, so that the software program is easy to adopt a unified framework to describe various control information, making the code more concise and operation more stable.
出处
《信息技术与标准化》
2014年第4期70-73,共4页
Information Technology & Standardization
