STM32F107Exp23(for_ST_FW_3.10)

本例是用51单片机的键盘解码程序，亲试好用(This case is a keyboard with 51 decoding process, pro-test handy)

说明：  ＭＳＰ４３０Ｆ４４９的硬件乘法器操作IAR Practice code(MSP430F449 hardware multiplier operation code IAR Practice)

AD0809的功能启动，描述了如何启动AD0809的数模转换功能，并且在旁边加油注释(The AD0809 s function is activated, and describes how to start the AD0809 digital to analog conversion function, and next to the fuel comment)

finger 103 for fingerscan

通过protues仿真实现的51单片机红外线遥控发射和接收解码装置。(Simulation achieve through protues 51 microcontroller infrared remote control transmitter and receiver decoding device.)

STM32F407信号发生器输入一个正弦波，AD采样，DA输出，系统频率应该是输入的波形的频率的10倍以上保证输出波形的完整性，系统的输出频率可以使用示波器测试出。(Stm32f407 signal generator input a sine wave, AD sampling, Da output and system frequency should is 10 times the frequency of the input waveform to guarantee that the above output waveform of integrity, the output frequency of the system can use oscilloscope to test out. )

编写的飞思卡尔的sd卡读写程序，可以完成对sd卡的扇区读写，效率高，执行速度快(Writing the freescale sd card reading and writing program, can complete the sd card to the sector, speaking, reading and writing, high efficiency, the execution speed)

此程序为4*4矩阵键盘，键盘自身不带电源电阻，八个接线，在程序中进行需进行软件拉高拉低以便按键扫描。 应用单片机为MSP430F5529。(4* 4 matrix keyboard without power resistors MSP430F5529)

cy7c68001驱动程序，主要用于这个usb芯片的驱动(CY7C68001 driver chips used mainly for the usb driver)

1.可以自动生成十六进制字编码。 2.可以自动C语言格式字符编码。 3.支持GBK和ASCII字符编码查询。(1 can automatically generate a hexadecimal character encoding. 2 can automatically format the C language character encoding. 3 support GBK and ASCII character encoding query.撤消修改)