at89c52 pdf
The AT89C52 is a low-power, high-performance CMOS 8-bit microcomputer with 8Kbytes of Flash programmable and erasable re...
AT89C52是一个低电压,高性能CMOS8位单片机,片内含8kbytes的可反复擦写的Flash只读程序存储器和256bytes的随机存取数据存储器(RAM),器件采用ATMEL公司的高密度、非易失性存储技术生产,兼容标准MCS-51指令系统,片内置通用8位中央处理器和Flash存储单元,AT89...
The AT89C52 is a low-power, high-performance CMOS 8-bit microcomputer with 8Kbytes of Flash programmable and erasable re...
电路由AT89C52,4个数码管,两个按键构成。两个按键用来实现密码的输入,并在数码管上显示输入的数字。输入数字正确,数码管显示OPEN,错误时数码管全部显示0。连续3次错误,熄灭数码管同时报警3秒,3秒之后恢复到初始状态。...