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1. 1. if resistor R131 is not populated and R132 is populated, VCCCIO0 power rail is set to power rail 2.5V (nominal voltage = 2.5 V).

      Scroll pdf title
      title Assembly option for VCCIO0= 2.5 V (bottom view).

      Note
      Pins 30 and 44 of JM4 are power supply outputs in this case.

       

       

   2. if resistor R131 is populated and R132 is not populated, VCCCIO0 power rail is set to power rail 3.3V (nominal voltage = 3.3 V). This is the default.
      

      Scroll pdf title
      title Assembly option for VCCCIO0 = 3.3 V (bottom view).

      

      Note
      Pins 30 and 44 of JM4 are power supply outputs in this case.

   3. if both resistors R131 and R132 are not populated, VCCCIO0 power can be supplied through pins 30 and 44 of B2B connector JM4.
      
      

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      title Assembly option for VCCAUX = off (bottom view)

       
      

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