usb+mcu+cpld开发板使用说明

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1、USB+MCU+CPLD开发板说明和实验指导目录目录.................................................................................................................................................................................1USB+MCU+CPLD开发板使用说明............................................................................

2、..................................................4品质保证........................................................................................................................................................................4第一章概述......................................................................

3、...............................................................................................4开发板顶视图................................................................................................................................................................5第二章电路结构分析...........................

4、..........................................................................................................................61.J11,J12扩展接口...................................................................................................................................................62.USB接口........

5、........................................................................................................................................................63.数码管.............................................................................................................................................

6、........................64.LED发光管............................................................................................................................................................75.RS232......................................................................................................

7、................................................................76.步进电机接口.....................................................................................................................................