• 内置晶体的RTC RX-8010SJ没有备用电源接口,如果希望数字电源与电池都能供电,应如何进行电路设计?

  • 创建于2015-11-13

1个回答

  • _世强 (0)
    在数字电源和电池各串入一个二极管接入RX-8010SJ的VDD引脚,上电时数字电源的二极管优先导通,由数字电源供电,断电后由电池供电。
    创建于2015-11-13

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