NuMaker-M483KGMay. 10, 2019 Page 17 of 40 Rev 1.00NUMAKER-M483KG USER MANUALSystem Configuration2.52.5.1 VIN Power SourceTable 2-6 presents the Vin power source.Connector Net Name inSchematic CommentNU1 pin8 NU1_VINBoard external power source, with voltage range from 7V to 12 V. The voltage regulator UP2 converts the NU1pin8 input voltage to 5 V and supplies it to NuMaker-M483KG.Table 2-6 Vin Power Source2.5.2 5 V Power SourcesTable 2-7 presents the 5 V power sources.Connector Net Name inSchematic CommentICEJ3 USB_HS_VBUS ICE USB connector supplies 5 V power from PC toM483 platform and Nu-Link2-Me.J2 USB_VBUS USB connector on NuMaker-M483KG supplies 5 Vpower from PC to M483 platform and Nu-Link2-Me.NU1 pin5 NU1_5VCCICEJ3, J2 or NU1 pin8 supplies 5 V power to NU1 pin5.NU1 pin5 supplies 5 V power to target chip or Arduinoadapter board.Note: M483 operating voltage range is from 1.8 V to 3.6V. Do not connect 5V to VDD.Table 2-7 5V Power Sources2.5.3 3.3 V Power SourcesTable 2-8 presents the 3.3 V power sources.Voltage Regulator 5V Source CommentICEUP1 USB_HS_VBUS ICEUP1 converts USB_HS_VBUS to 3.3 V and supplies3.3V to M483 platform or ICE chip.UP1 USB_VBUSUP1 converts USB_VBUS to 3.3 V and supplies 3.3 Vto M483 platform.Note: R12 should be connected.UP1 NU1_5VCCUP1 converts NU1_5VCC to 3.3 V and supplies 3.3 V toM483 platform.Note: R12 should be connected.Table 2-8 3.3 V Power Sources