NuMaker-M252KG
July.
08, 2020
Page
19
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Rev 1.00
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Power Supply Configuration
The NuMaker-M252KG is able to adopt multiple power supply. External power source includes NU1
Vin (7 V to 12 V), VDD (depends on target chip operating voltage), and PC through USB connector.
By using switches and voltage regulator, multiple power domains can be created on the NuMaker-
M252KG.
3.4.1 VIN Power Source
Table 3-4 presents the Vin power source.
Connector
Net Name in
Schematic
Comment
NU1 pin8
NU1_VIN
Board external power source, with voltage range from 7
V to 12 V. The voltage regulator UP2 converts the NU1
pin8 input voltage to 5 V and supplies it to NuMaker-
M252KG.
Table 3-4 Vin Power Source
