基于 51 单片机的数字频率计

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文件名称：基于 51 单片机的数字频率计
文件大小：1.3MB
文件格式：DOC
更新时间：2013-05-20 04:15:14
基于 51 单片机的数字频率计 基于 51 单片机的数字频率计 主要是Word格式的 2.1 系统硬件的构成4 2.2 系统工作原理图4 2.3AT89C51 单片机及其引脚说明 5 2.4 信号调理及放大整形模块7 2.5 时基信号产生电路7 2.6 显示模块