82c54 介绍

82C54是专为Intel系列微处理机而设计的一种可编程时间间隔定时器/计数器，它是一种通用芯片，在系统软件中可以把多级定时元素当成输入/输出端口中的一个阵列看待。-82c54 82C54 is designed for Intel introduced the microprocessor family designed a programmable interval timer/counter, it is a universal chip, in the system software elements can be multi-stage time as the input/output ports in a Array view.