摘要
介绍了用单片机实现多路电话终端营业计费的方案，讨论了单片机的速率、指令功能所支持的电话计费的容量和运算要求，叙述了硬件电路和软件设计方法，并给出了电路和程序的简图。
The scheme of multicahnnel telephone charging at terminal is introduced. The capacity and calculations for telephone charge which permitted by single-chip processor's speed and instructions are discussed. The structurees of hardware and the design of software are described. The circuits and the program diagram are also given.
出处
《南京邮电学院学报》
EI
北大核心
1995年第3期56-62,共7页
Journal of Nanjing University of Posts and Telecommunications(Natural Science)
关键词
计费
单片机
电话终端
telephone charge, single-chip processors, hardware implementation, software disign
