上位机采用vb编程,实现与多台s7200的自由口通信.

软件UART示例 两个完整的例子,一个用PCA为波特率发生器的C语言程序和一个用定时器0为波特率发生器的汇编语言程序. 适用于下列器件 C8051F000C8051F001C8051F002C8051F005C8051F006C8051F010C8051F011C8051F012C8051F015C8051F016C8051F017C8051F220C8051F221C8051F226C051F230C8051F231C8051F236-Software UART Examples of two complete example, a baud rate generator with PCA for the C language program and a use timer 0 baud rate generator for the assembly language program. C8051F000C8051F001C8051F002C8051F005C8051F006C8051F010C8051F011C8051F012C8051F015C8051F016C8051F017C8051F220C8051F221C8051F226C051F230C8051F231C8051F236 applies to the following devices

这是i Button这种信息纽扣所采用的1线通讯方式的完整源程序。-This is the information i Button Button 1 line used in the complete source code means of communication.

用AVR单片机实现的时钟芯片DS1302的SPI驱动，进行数据传输-With the AVR MCU clock chip DS1302 SPI-driven data transmission

真正的PICC函数中文介绍！是购买ICD2时候赠送的正版内容-PICC real function introduce Chinese! Is the time to buy ICD2 gift of genuine content

单片机的USB、232输出口的电路图-USB MCU, 232 outputs of the circuit

这个是录音琴的程序,用光电感应器来检测琴键的动作.并且将他记录下来,可以回放.-This is a recording Guoqin procedures, using photoelectric sensors to detect movement keys. And his record, you can playback.

基于uPSD3334单片机pwm波形产生程序，频率可调，占空比可调。可同时产生三路PWM波形。在电力电子中有极好的应用。使用Kerl开发环境-based uPSD3334 MCU pwm waveform generator procedures, adjustable frequency, duty cycle adjustable. May also have three PWM waveform. In power electronics has an excellent application. Kerl use development environment

PHILIPS LPC900 PWM CRTL 时间可调 -PHILIPS LPC900 time adjustable PWM CRTL

基于单片机的计算器原程序代码，传上去让大家看看！-based SCM calculators original program code-up to let everyone see!

这是一个，51单片机的脉冲采集器的程序，可以用KEIL C环境下编译，也可以使用WAVE软件，运行非常稳定-This is one of 51 single-chip pulse collector procedures, can be used KEIL C compiler environment, you can also use WAVE software, to run very stable