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SD卡车载录像机专用操作控制电路设计

更新时间:2020-09-10 18:00:30 大小:308K 上传用户:IC老兵查看TA发布的资源 标签:sd卡车载录像机 下载积分:1分 评价赚积分 (如何评价?) 打赏 收藏 评论(0) 举报

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介绍了用于某SD卡车载录像机操作控制电路硬件和软件的设计,指出该设计基于高速低功耗MSP430单片机系统,减少了硬件电路的复杂程度,注意了所有与控制相关的输入、输出信号的完备性,考虑到了硬软件配合的简约化以减少成本,其软件程序借助定时中断既防止了漏键问题,也解决了主程序等待按键可能产生的CPU运行阻塞现象。

This paper introduces the design of hardware and software for a SD-card car video recorder's operation control circuit,and points out that the design,which is based on the high-speed low-power MSP430 micro-controller system,reduces the complexity of the hardware circuit,notices the completeness of all input and output signals related to the control,considerers the simplification of software-hardware combination for reducing the costs,and its software program,with the help of the timer interrupt,can not only prevent the key missing problem but also solve the CPU's run blocking phenomenon probably caused by main program's waiting for the Key Down.

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SD卡车载录像机专用操作控制电路设计.pdf 308K

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