1. 本程序实现了两个功能,即6264的随机读与写 2. 实现对同一端口既作输出又作输入,如程序中 PORTA作为数据输入输出口； 3. 测...

PROTEL 99SE快速入门指南，是初学者的良师益友。-PROTEL 99SE Quick Start Guide is a mentor for beginners.

通过单片机对HT9200进行控制访问，实现电话的DTMF拨号功能-Through the single-chip microcomputer to control HT9200 visit realize phone DTMF dialing

C51七种实用子程序集2-C51 seven practical subroutine Set 2

sd卡mp3官方pcb文件，protel格式-sd card mp3 official pcb file, protel format

PIC16F73 操作iButton信息按钮的源程序，对应于电子门锁的完整应用，如需要原理图请发邮件到：bian_cf@sohu.com-PIC16F73 button operation iButton information source, corresponding to the electronic locks the complete application, if necessary schematics please send mail to : bian_cf@sohu.com

使用凌阳单片机，控制5088编码芯片编码并传输到8870解码芯片，得到所需数字信号。-Sunplus use single-chip, chip encoding control code 5088 and transmitted to the 8870 decoder chip, get the digital signal.

采用8位LED动态扫描时钟演示程序，使用12MHZ晶振，P0口输出段码，P2口作列扫描，用共阳LED数码管。-Using 8-bit dynamic scanning LED clock demonstration, the use of 12MHZ crystal, P0 port output above code, P2 scan I made out with a total of LED digital tube Yang.

在32019T(SED1335驱动)上显示BMP图象，假设图象数据已固化在FlashROM中。-In 32019T (SED1335 driver) display BMP images, the assumption that image data has been curing in the FlashROM.

* 功能：运行RTC进行计时，将所时间值不断的通过串口向上位机发送，并把秒的值输出数码管D1 * 上显示。上位机运行EasyARM软件，在串口发送/接收窗口观察。 * 说明：* 通讯波特率115200，8位数据位，1位停止位，无奇偶校验。-* Function: RTC to run for a time, the time value will be constant upward through the serial-bit machine to send, and seconds values D1* output digital tube display. PC running EasyARM software serial port to send/receive window of observation.* Description:* 115200,8 bit baud rate of communication data bits, 1 stop bit, no parity.

此程序为单片机开发过程中的按键扫描程序。采用汇编 语言编写，经调试通过。-procedure for microcontroller development process button scanning procedures. Using language compilation, debugging through.