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NuMaker-HMI-N9H20
Mar. 15, 2022
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Rev 1.00
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2.1
NuMaker-HMI-N9H20 Jumper Description
2.1.1
Power Source
CON3
: 5V DC Adaptor input connector
CON4 & CON5
: External Battery connector
S3
: Power ON/OFF Switch
Source
Power port
VIN
VD33
CON3
Connect to 5V DC Adaptor
5V
DC 3.3V
S3
VD33 & VD18 Power Enable
PWREN of U2 & U3
DC 3.3V
Table 2-1 System Power Connectors
2.1.2
LED Indicator
LED1
: 5V DC Adaptor Connecting CN3 and S3 Switching ON
Pin No
Pin Name
Pin Functions
LED1
POWER
Power ON Indicator
Table 2-2 LED1 Power Indicator
2.1.3
Debug Connectors
CON11
: Connector in target board NuMaker-N9H20 (U1, N9H20K51N) for connecting
with JTAG adaptor
Pin No
Pin Name
Pin Functions
1, 2
VD33
DC 3.3V
3
nTRST
JTAG Interface Test Reset, Input, Active Low
5
TDI
JTAG Interface Test Data In, Input.
7
TMS
JTAG Interface Test Mode Select, Input.
9
TCK
JTAG Interface Test Clock, Input.
13
TDO
JTAG Interface Test Data Out, Output.
15
nRESET
System Reset, Input, Active Low.
11,4~20(Even)
GND
Power Ground
Table 2-3 CON11 Pin Assignment
CN2
: Connector in target board NuDesign-SPI2UART(B) (U2, MINI58FDE) for
connecting with Nu-Link-Pro adaptor.
Pin No
Pin Name
Pin Functions
1
VD33
DC 3.3V
2
ICE_DAT
ICE Interface DATA