C8051F040 ＣＡＮ总线编程，演示时需两块０４０的开发板，开发板的按键状态通过CAN总线发到另一个开发板上并通过ＬＥＤ显示出按键状态．-C8051F040 CAN bus programming, presentation 2 040 when the development board, development board through the state of the keys issued to another CAN bus and through the development of on-board LED shows the status button.
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