实时时钟tc程序设计

用于arm2410开发系统，使用时间中断产生脉冲信号，可测试系统可测试的最短信号-for arm2410 development system, the use of time interrupt pulse signal test system may be the shortest test signal

nec 78K0 样例对程序初始化电表样-nec 78K0 sample initialization procedure right-meter

端点批量传输 eerom的读写 固件自动下载 USB标准请求 GPIF单字节读写 GPIF_FIFO读写 Led显示与键盘扫描等-Bulk transfer endpoint eerom automatically download the firmware to read and write USB standard GPIF single-byte read and write requests to read and write GPIF_FIFO scan Led display and keyboard, etc.

AT91RM9200的RTC测试程序，本程序以成功在我的AT91RM9200试验板上跑通-AT91RM9200 the RTC test procedures, the procedures are in place to succeed in my test board AT91RM9200 running pass

aiji的s3c2410 lcd 例子已经移植到iar ewarm v5.2-aiji examples of s3c2410 lcd transplanted to iar ewarm v5.2

ARM(LPC2214)模拟串口程序，通过定时器捕获比较功能产生模拟串口，波特率可以达到19200bps-ARM (LPC2214) simulation serial process, through timers have captured more functional simulation of serial ports, baud rate can be achieved 19200bps

这是“清华大学出版社”版“嵌入式系统设计与实例开发实验教材I”配套光盘里的　适应ARM 44B0开发板-This is the

1.单机自发自收串行通信。接收键入字符，从8251A的发送端发送，与同一个8251A的接收端接收，然后在屏幕上显示出来。 2.双机串行通信，在一台PC机键入字符，从8251A的发送端发送给另一台PC机，另一台PC机的 8251A的接收端接收，然后在屏幕上显示出来。 -1. Since the resumption of spontaneous stand-alone serial communication. Type the characters receive from the sending end to send the 8251A, 8251A with the receiving end of a receiver, and then displayed on the screen. 2. Dual serial communication, in a PC-type characters, from the sending end 8251A sent to another PC, another PC-8251A to receive the receiving end, and then displayed on the screen.

学习arm必备的书，里面列出了arm可能遇到的问题-Learning arm essential book, which lists the possible problems encountered by arm

应用背景DHT11单片机驱动程序 包含两个时钟条件下的程序 ，这个设备对时钟要求非常高，好多朋友挑不出来主要是时间延迟没有做好，经过多次测试，本次给出的程序可用。关键技术 主要是把时间延迟那部分做好，写好时间延迟函数就好了，其他部分参考买设备的时候厂家给的代码，非常好用，厂家的技术支持很赞的。