RC500 DEMO 上位板 的各种资料压缩包。

一段键盘处理源码，包括按键处理、AD采样等功能。-Section of the keyboard handle source, including the key treatment, AD sampling and other functions.

利用51单片机+sl811芯片实现对u盘的读写功能，代码为C++实现，可供大家参考使用-The use of 51 SCM+ Sl811 chip of u disk read and write functions, the symbol C++ Realize for U.S. use and reference

单片机是52的，P0口连到四个数码管的七个管脚，其中两个冒号点为最后两个数码管的DOP点，P1.0至P1.3为四个数码管的选通端，低电平有效。程序2较完整，可实现设定时间功能。-Singlechip is 52, P0 port connected to four of the seven-pin digital tube, two of which point to the last two colon tube DOP-point digital, P1.0 to P1.3 for the election of four digital tube pass-side, active-low. 2 a more complete procedure, set the time function can be realized.

C51写的串口编程的范例，供正在开发串口的兄弟可以参考！-C51 write serial programming model for the serial port is being developed can refer brothers!

座机电话短信发送源代码，座机按键号码获取，以及分类应用！-ace telephone messages this source code, ace number keys acquisition, classification and application!

LCD12864源代码 NEC公式芯片 包括控制液晶显示屏的各个函数-LCD12864 formula for the source code NEC LCD chips including control various functions

8051设计延时程序说明。-8051 design description of the procedures.

飞思卡尔12的定时器功能，能实现周期的定时，12定时器的基本功能-Freescale 12 timer function, can achieve cycle time, the basic functions of the timer 12

SY1126开发板测试程序。 51系例单片机的最小系统 有AT89S8252/AT89S51/52的在线下载功能 IIC总线芯片为24C02,记存密码-SY1126 development board test procedure. Example 51 Department of the smallest single-chip systems have AT89S8252/AT89S51/52 online download function for IIC bus chip 24C02, keep password

modbus slave programs MODBUS RTU从站 源程序-modbus slave programsMODBUS RTU slave source