PIC16F877_DS1302时钟程序，调试通过！

The PCF7991AT is a fully integrated Advanced Basestation IC, ABIC, designed for car immobilizer systems providing read and write access to an identification transponder. The device is intended for use with the NXP transponder family (PCF79xx) as well as other transponder types operating at 125 kHz and employing ASK, Amplitude Shift Keying for write and AM/PM for the read operation. The receiver characteristics (amplifier gain,filter cutoff frequencies) can be optimized to system and transponder requirements. The PCF7991AT IC is designed for easy integration into immobilizer read/write and read-only systems featuring a high degree of integration and very low external component count. The device integrates a powerful antenna driver/modulator, a low-noise adaptive sampling time demodulator, programmable filters/amplifier and digitizer, required to design high-performance basestations. A three wire microcontroller interface is provided for programming the PCF7991AT as well as for th

micorblaze处理器本地总线设计；

嵌入式开发板smart210的按键中断程序， 实现裸机按键中断，使用汇编语言编写。为后面的移植uboot到smart210上做良好的基础，并且实现串口控制台的控制功能。   代码的编写主要通过阅读芯片手册并且参考uboot源代码，配置好寄存器来完成的。 在本代码中，当看到led点亮以后，按键中断。

在这里与我附上 RTC 编码显示年月日新年第一天和时间。查收附件。 谢谢你， kaliamoorthy。M

sttesttool.rar的标准testtool.rar驱动，附带st驱动说明文档-sttesttool.rar standard testtool.rar drive, incidental documentation st driver

基于arm7的以太网通讯设计，可以很好的实现以太网的通信-ARM7-based Ethernet communications designed to realize good Ethernet communications

本程序是针对T6963C控制器的LCD接口的驱动程序。-against T6963C LCD interface driver.

  它的特点： 1）开源， 2)可移植性，绝大部分代码用C写，硬件相关部分用汇编写， 3可固化，

ucfs文件系统源代码，可以与ucos系统结合使用。包括fat格式。  目录结构包括：api；clib；config；device；fsl；lbl；os；sample及手册。 内容很全面。在单片机系统上很有用。希望大家注意。 下面是介绍： µC/FSis written in ANSI C and can be used on virtually any CPU. Some  features of  µC/FSare: ·  MS-DOS/MS-Windows compatible FAT12 and FAT16 support. ·  Multiple device driver support. You can use different device drivers with  µC/FS, which allows you to access different types of hardware with the file  system

linux 下SD卡,CF卡驱动源码,成功用在视频解码模块下.-under linux SD card, CF card driver source code, with success in video decoding module under.