C51语言编码设计规范，说的很详细的。

英飞凌C166之XC164CS串口通讯程序-Infineon C166

SPWM程序2407的详细说明

6位数码管显示的频率计，外部方波接到P3.4（T0），测试通过-6-bit digital tube display of the frequency counter, the external square wave received P3.4 (T0), the test

用89C2051实现AD转换的C51程序-with 89C2051 AD conversion procedures C51

控制电机的程序，pwm控制速度程序等等都有-Motor control procedures, pwm speed control procedures, and so on have

注:protel电路图 1.INPUT12为高压气压和低压压传感器输入端. 2.OUTPUT为充气输出控制端. 3.当高低压有接地信号时,电机正转,气阀打开. 4.INPUT2低气压时有信号时,充气OUTPUT输出,充气电机转. 5.RS1与RS2是调节阀门距离用地 6.RS3是与气阀电机同步时,是气阀电机的转动圈数传感器. 7.RS4是调节延时时间用地-Note: protel circuit 1.INPUT12 and low-voltage high-pressure pneumatic pressure sensor input. 2.OUTPUT output control for the inflated side. 3. When the high and low pressure have a grounding signal when the motor is transferred, the valve opens. 4.INPUT2 low pressure when there is signal output OUTPUT inflatable, inflatable motor switch. 5.RS1 and RS2 is the regulator valve from the land 6.RS3 synchronous motor with the valve, the valve motor is rotating circle the number of sensors. 7.RS4 delay time to regulate land

袖珍型电子日历及8路长时间定时控制器程序-Mini electronic calendar and 8-way long timing controller program

K51下的微型打印机驱动程序,使用环境:K51+SM8958A+62C256-K51 under the micro printer driver, the use of the environment : K51 SM8958A 62C256

LED 点阵程序，调试通过，SED2510，-LED dot-matrix program, debug through, SED2510,

完全采用C编写的完整MP3解决方案源代码!-completely prepared by the integrity solutions MP3 source code!