NuMaker-M071MD
Jan. 05 2021
Page
17
of 46
Rev 1.00
N
UMA
K
E
R
-M0
71
M
D
US
E
R MA
NUA
L
Ma
k
er Nu
-m
be
d
NUC
47
2
Us
er Man
ua
l
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 change ICEVCC(ICEJPR2) resistor 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-M071MD.
Note:
M071 operating voltage range is from 2.5 V to 5.5V.
JP2
V
SS
connector on the NuMaker-M071MD.
Table 3-8 Power Connectors
