单片机应用系统设计实例与分析

针对51单片机的中断触发按键的程序，利用P3.2口接行列按键。-For 51 single-chip key interrupt to trigger the process, I then use the ranks of P3.2 button.

Brief Introduction to C51 Language

c51testcomm单片机c51串口中断.rar-c51testcomm interrupt. Rar

自己写的一个用在单片机串口通讯中的环形队列缓冲区管理模块。-himself wrote a serial microcontroller used in the communications ring buffer queue management module.

c51程序原理. .-principle

用51单片机做拉幕式时钟显示，有设计方案，原理图以及源代码-To do with 51 single-chip pull-screen clock display, has design, schematics and source code

1602lcm字符液晶屏驱动演示程序,连接线图: LCM-------51 LCM-------51 LCM--------51 DB0-----P0.0 DB4-----P0.4 RS-------P2.0 DB1-----P0.1 DB5-----P0.5 RW-------P2.1 DB2-----P0.2 DB6-----P0.6 E--------P2.7 DB3-----P0.3 DB7-----P0.7 VLCD接1K2电阻到GND [注]:AT89C51的晶振频率为12MHz-1602lcm character LCD Driver demo program, link map : LCM LCM------- 51------- 51-------- 51 DB0 LCM P0 .0 DB4----------------- P2.0 P0.4 RS DB1----- P0 .1 DB5 P 0.5 RW----------------- P P2.1 DB2 Encl 0.2 DB6 E------------------ P0.3 P2.7 DB3 DB7----- P0.7 VLCD access 1K2 resistance to GND [Note] : AT89C51 oscillator frequency of 12 MHz

c8051f340 USB传输 固件驱动， c8051f340 USB传输 固件驱动，-transmission c8051f340 USB drive firmware, c8051f340 USB transmission firmware-driven,

用步进电机画图的完整原代码，集成50多种图形-Stepper motor used to draw a complete source code, integrated more than 50 kinds of graphics

keil下的s3c44b0驱动LCD伪彩屏例子程序。-keil under the pseudo-color LCD driven S3C44B0 example of the procedure.