NuMaker-M071R1E
Dec. 14, 2020
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Rev 1.00
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3.4.3
3.3 V Power Sources
Table 3-6 presents the 3.3 V power sources.
Voltage
Regulator
5 V Source
Description
ICEUP1
USB_HS_VBUS
ICEUP1 converts USB_HS_VBUS to 3.3 V and
supplies 3.3 V to M071 target board or ICE chip.
UP1
USB_VBUS
UP1 converts USB_VBUS to 3.3 V and supplies 3.3 V
to M071 target board.
Note:
SW2.2 (NU1 3VCC) should be switched to ON.
UP1
NU1_5VCC
UP1 converts NU1_5VCC to 3.3 V and supplies 3.3 V
to M071 target board.
Note:
SW2.2 (NU1 3VCC) should be switched to ON.
Table 3-6 3.3 V Power Sources
3.4.4
1.8 V Power Sources
Table 3-7 presents the 1.8 V power source.
Voltage Regular
5V Source
Description
ICEUP2
USB_HS_VBUS
ICEUP2 converts USB_HS_VBUS to 1.8 V and
supplies 1.8 V to M071 target board or ICE chip.
Note:
M071 operating voltage range is from 2.5 V to 5.5
V. Do not switch ICEJPR2 (ICEVCC) to 1.8 V.
Table 3-7 1.8 V Power Sources
3.4.5
Power Connectors
Table 3-8 presents the power connectors.
Connector
Description
JP1
V
DD
connector on the NuMaker-M071R1E.
Note:
M071 operating voltage range is from 2.5 V to 5.5 V.
JP2
V
SS
connector on the NuMaker-M071R1E.
Table 3-8 Power Connectors
