本程序将指定的显示缓冲区送显，并将读取的键值送显。 入口参数：显示缓冲区首地址在SADR中,要显示的位数在CNT中。 出口参数: 无。...

A line idw code ,can read and download.

PDIUSBD12 USB1.1 C51源代码-PDIUSBD12 USB1.1 C51 source code

键盘程序。主要实现按一个键就在数码管上显示相应的数。本程序中，数码管是带地址的！ 主要子程序是键盘扫描程序！ 下面英文用工具译的！用的软件是keil-Keyboard procedures. The main achievement of the press of a button on the control in the digital display the corresponding number. This procedure, the digital control is intended to bring the address! The main subroutine is the keyboard scanning process! The following translation tools in English!

实时时钟芯片DS1302采用串行接口，只需3根引脚便可以完成操作，其使用非常方便。这里采用AT89S52单片机作为外部微处理器，来对DS1302进行控制-Real-time clock chip DS1302 serial interface, only three pins will be able to complete the operation, its use very convenient. AT89S52 microcontroller used here as an external microprocessor to control of the DS1302

此为继电器功能测试电路图DDB文件。对应源码为Relay_Function_Tester. keil c51 编写。-This is the relay circuit functional testing DDB file. The corresponding source code for Relay_Function_Tester. Keil c51 prepared.

单片机最小系统，包括时钟电路，复位电路，按键电路，显示电路。包括源程序-The smallest single-chip microcomputer system, including the clock circuit, reset circuit, key circuit, display circuit. Including source code

51单片机开发的N多实例及程序，程序包括汇编及C-N the development of 51 single-chip multi-instance and procedures, including procedures for the compilation and C

基于MSP430的I2C驱动程序，超强可移植性，方便重定义管脚-MSP430 Based on the I2C driver, super-portable, convenient re-definition of pin

LCD程序hmn 民间 搞活 才 各个-LCD HMN civil enliven the proceedings before a

EXAMPLE PROGRAM C CONTROL LED