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c51_example
- C51例程代码 ,文件格式为C语言,可以用作单片机开发时的应用参考-C51 source code routines, file format for the C language, can be used for the development of the SCM Application Reference
test
- mp3播放器,包含FAT文件系统,外扩SRAM,keil C51开发 -mp3 player, contains the FAT file system, outside the extended SRAM, keil C51 development
lcd
- C51学习板128641602屏测试文件-C51 Learning Board 12864 screen test file LCD12864.hex
basic-clock
- 一个计时器。使用C51/52芯片,Protues仿真,并且有测试可用的HEX文件。接通电源时为0时0分0秒。有四个按键一个按键是暂停,另外三个每按一下分别增加1小时/1分钟/1秒。-A timer. The use of C51/52 chip, Protues simulation, and the HEX file available test. When the power is turned on for 0 minutes and 0 seconds 0. There are four
include
- 中断程序的编写:在单片机系统的p1口上接有8个LED,LED的阳极接+5V,阴极接P1口的引脚。当P1口某一口线输出为0时,将LED点亮。在外部中断0输出引脚P3.2引脚上接上上拉电阻并接有一个按钮开关K1。用K1按钮来产生外部中断0的输入信号。定时器程序的编写:在AT89S51单片机的P1口上接有8个LED.下面采用定时器T0的方式一的定时中断方式,使P1口外接的8个LED每0.5秒闪亮一次。C51程序:在AT89S51的P1.0脚接有一只发光二极管,二极管的阴极接P1.0脚,阳极通过限流电阻