此程序是关于SP

基于单片机的数字钟，内容包括：延时，键盘，七段数码管，蜂鸣器等。-Based on single-chip digital clock, including: delay, keyboard, Seven-Segment LED, buzzer and so on.

0――999计数器。在STC89C52单片机下开发的程序，可实现自动0――999计数。-0- 999 counters. At STC89C52 procedures developed under the single-chip microcomputer can automatically achieve 0- 999 counts.

一个简单的TCP IP协议栈程序，可以移植到大家的硬件上面--A simple TCP/IP protocol stack. It could be migrated to your hardware.

解决smartarm2200串口下载问题的程序， 使用ads1.2可以观看全部代码-smartarm2200 solve the serial download procedures, ads1.2 can use to watch all the code

HT1380实时时钟驱动程序-HT1380 real-time clock driver

基于8051单片机的nrf905发送/接收c程序-8051 based on the nrf905 Send/Receive c procedures

富士通单片机c语言编程手册，有助于富士通单片机的开发-Fujitsu MCU c language programming manual, will help the development of Fujitsu MCU

单片机的一个开平方算法,是个工程包,很实用.-Singlechip a square root algorithm, is a project package, it is practical.

i.MX开发板原理图-i.MX development board schematics

以jupiter芯片为例，含有IO口控制和键盘和定时器中断的驱动-to Jupiter chip for example, contain IO population control and keyboard and timer interrupt driven