FM25040的C51驱动程序，用于掉电保存数据。

这个文件是用C语言写的读写FRAM的24C256器件的的源程序。-This document is written using C language to read and write of FRAM source 24C256 devices.

此程序实现任意波形发生器的菜单选择操作及向FPGA发送控制命令，实现任意波形发生并能将产生的组合波保存下来，有掉电保护的功能-Realize this procedure arbitrary waveform generator of the menu to select the operation and send control commands to the FPGA to achieve arbitrary waveform occurs and can produce a combination of wave preserved, has brown-out protection function

Visual Basic开发的单片机拨号程序，发送脉冲实现拨号，测试成功-Visual Basic develop MCU dial-up program, sending pulses to achieve dial-up, test the success of

详细介绍了AD7490的性能和参数，对用AD7490来开发定位系统的工作是很有作用的。-AD7490 detailed performance and parameters of the AD7490 used to develop the work positioning system is very effect.

本文详细介绍了4×4矩阵式键盘识别技术，内含详细的电路图和C51源代码。-This paper describes a 4 × 4 matrix keyboard recognition technology, and contains detailed schematics and source code C51.

CC2430 基础实验三 按键控制LED闪烁-CC2430 three buttons to control the basis of experimental LED flashes

芯片使用51+ch375,程序用180行C代码就能够读取FAT16文件系统U盘的根目录,可以看到根目录下的文件名,并可显示首文件内容-chips use 51 ch375, procedures using 180 OK C code can read FAT16 file system drives the root directory, we can see the root directory under the file name, would show the contents of the documents first

基于DS1302的数码管时钟电路设计源程序,使用C51语言编写，可以用于MCS8051单片机-based on the DS1302 digital clock control circuit design source, the use of C51 language, which can be used Mcs8051 MCU

HT1621 是一款128 个位元的LCD 控制器件，内部RAM 直接对应LCD 的显示单元。相应的软件使它适用于包括LCD 模块和显示子系统在内的多功能应用。主控制器与HT1621接口只需4 到5 根线。内置的省电模式极大的降低了功耗。本文介绍HT48R05A-1 单片机来控制HT1621，并介绍如何turn ON 及turn OFF LCD 所有位元。-HT1621 is a 128-bit LCD control device, the internal RAM directly correspond to the LCD display unit. So that it applies to the appropriate software, including LCD modules and display sub-systems, including multi-purpose applications. Master controller and the HT1621 interface only 4-5 lines. Built-in power-saving mode greatly reduce power consumption. This article describes the HT48R05A-1 microcomputer to control the HT1621, and describes how to turn ON and turn OFF LCD all the bits.

P T 2 2 5 8 详 细 英 文 资 料-PT 2 2 5 8 detailed information in English