将基于PIC16C57的解码器应用于病房呼叫系统  

Applicationof decoder based on PIC16C57 to callservice system in ward

作　　者：宋军罡[1] 

机构地区：[1]郑州广播电视大学,郑州市450007

出　　处：《医疗卫生装备》2004年第1期20-21,共2页Chinese Medical Equipment Journal

摘　　要：文章针对采用PT2262编码芯片的系统中,使用多个PT2272解码芯片进行大容量解码所存在的问题,设计了采用PIC16C57单片机进行大容量解码系统,并绘出了相应的硬件控制电路和软件控制流程图,实现了多片PT2272的解码功能,及其在医院病房中的应用。When PT2262coder adopted,a lot of PT2272decoders have to be used to realize large capacity decipher.In this paper,a decode system by PIC16C57is developed to perform large capacity decipher by many PT2272decoders.Some information of the system is also presented,such as its hardware control circuit,software control flowchart and application to the call service system in ward.

关 键 词：PT2262编码 PT2272解码 PICl6C57 病房 呼叫系统 

分 类 号：TN76[电子电信—电路与系统]