MSP430单片机的IC卡和Flash和ads1242下操作

AT89S51中文资料 全面介绍AT89S51的引脚及其功能-AT89S51 introduce a comprehensive English information on the pin and its function AT89S51

凌阳IDE中写的一个LED键盘模组制程序，改一下自己的IO代码 直接编译就可以使用了-Sunplus IDE write a keyboard LED module system procedures, change your own direct IO code compiler can use the

Philips SC16C554串口使用基本协议-Philips SC16C554 string mouth use basic agreement

tc35应用C程序 短息发送、接受（单片机控制）-tc35 application C program

easyarm1138用c语言开发的液晶lcd12864图形显示-easyarm1138 c lcd12864 graph display

freescale单片机串行通讯程序,数据包方式，支持数据发送正常检验,并可使用命令实现对片机FLASH的读、写和擦除功能。-Freescale MCU serial communications, data packets, sends the data to support normal testing and can be used to achieve an order-of-FLASH read, write and erase functions.

使用89S52为核心做的USB键盘,注意修改了一下windows设备描述符以及端点处理等就行了。用了一个4*4的小键盘,有0-9十个数字键, Num Lock键,Caps Lock键,Shift键,Ctrl键,Alt键,回车键等。 最多可以有三个键同时按下，如果相交的话，最多只能两个键按下-89S52 use as the core of the USB keyboard to do, pay attention to modify the look and the windows device descriptor, such as treatment endpoint on the list. Used a 4* 4 small keyboard, has the number keys 0-9 10, Num Lock keys, Caps Lock key, Shift key, Ctrl key, Alt key, enter key and so on. Can have up to three keys pressed at the same time, if the intersection, then a maximum of only two keys pressed

DS12887A是Dallas公司的一款内置电池的时钟芯片。该程序基于GCC，实现了对DS12877A的操作，包括启动，调整，读取，设置时间的操作，还带万年历哦。-DS12887A is Dallas

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一个时时单片机发送数据测试代码-a microcontroller always send data test code