I2C通信程序，用VHDL写的，FPGA和单片机可用于有限..

利用89S51将6*6键盘转换成PS/2协议-89S51 will use 6* 6 keyboard into PS/2 protocol

在单片机应用设计中，4*4键盘是经常用到的，在这个程序种，提供了驱动键盘的基本函数，用户可以直接调用，可以很容易的移植到你的系统上。程序中并附带了，lcd1602的驱动程序-Application in the design of single-chip, 4* 4 keyboard is frequently used in the process of providing the basic function-driven keyboard, users can directly call, can be easily ported to your system. And incidental to the proceedings, lcd1602 driver

24c01芯片的编程文件-24c01 chip programming document

STC单片机看门狗的简单测试程序,功能很简单，就是开启看门狗后，不断的让单片机重启。-a samples test program for STC MCU.

c51单片机开发 流水灯 很好的代码，好好学学吧。-c51 Microcontroller Development water lamp

8098单片机调速系统，非常实用，用汇编写-8098 microcontroller system speed, very practical, written in assembler

电话机的工作原理,有振铃电路,电话极性保护电路,还有双音多频发送接收电路-Telephone the working principle, has ringing circuit, Phone polarity protection circuit, as well as send DTMF receiver circuit

74HC595程序,C51版的,己调试过-74HC595 procedures, C51 version, others have been debug

里面是单片机的开发板的源程序，包括AD，DA转换，数码管显示，按键的识别，液晶的显示是、数据存储，等等 还有开发板配套的原理图和PCB图纸，让你看整个程序更容易-There is a single-chip development board of the source, including AD, DA conversion, digital tube display, identification keys, LCD display, the data storage, and so there is supporting development board schematic and PCB drawings, so that you look at the whole process easier

这个程序可以使用fpga上的晶振，用于测试晶振得使用-This process can use the FPGA on the crystal, crystal was used for testing