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DEMOQE128 User Manual
positive power supply must be used.
Select regulator input from the Embedded Multilink circuitry,
which derives its power from the USB bus
Figure 8-1: PWR Selection Header (J3)
8.1.2
J4 - Regulator Output Selection Jumper VOLT_EN
The regulator can output either a 2.1VDC or 3VDC voltage for the
DEMOQE128. The VOLT_EN jumper J4 selects the voltage.
Figure 8-2
shows the regulator output selection details.
Select regulator output to be 2.1V.
Select regulator output to be 3V
Figure 8-2: Regulator Voltage Output Selection VOLT_EN (J4)
8.1.3
J5 - VDD Source Selection Jumper VDD_SELECT
Select the regulator to supply microcontroller VDD. This is the default
setting.
