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信号名

CPU引脚

核心板引脚

X_UART7_RXN1X1B49
X_UART7_RTSP2X1B50
X_UART7_TXN2X1B51
X_UART7_CTSR2X1B52

11.修改为默认上电就开机

核心板默认为上电后进入SNVS省电模式,如果要实现上电开机,则可以使用:

  1. 不提供VBAT电源
    1. 缺点是不能使用核心板板载的RTC(RV-4162-C7)
  2. 去掉核心板的R172

细节请参考:https://wiki.phytec.com/productinfo/application-notes/application-note-boot-i-mx7-without-pressing-the-power-button