5V_EXT is the DC power coming from an external 5 V DC power from the CN11 ST morpho connector pin 6. In
this case, the JP6 jumper must be set on [5-6] to select the 5V_EXT power source.
5V_EXT configuration: The JP6 jumper must be set on [5-6] as shown in Figure 12.
Figure 12. JP6 [5-6]: 5V_EXT power source
UM2861
Power supply and power selection
UM2861 - Rev 2
page 20/49
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