NuMaker-HMI-N9H20
Mar. 15, 2022
Page
11
of 42
Rev 1.00
NUMA
K
E
R
-HMI
-N
9H20
US
E
R M
A
NU
A
L
Ma
k
er Nu
-m
be
d
NUC
47
2
Us
er Man
ua
l
3
ICE_CLK
ICE Interface Clock
4
RSTn
ICE Interface Reset, Active Low
5
GND
Power Ground
Table 2-4 CN2 (NuDesign-SPI2UART(B)) Pin Assignment
2.1.4
USB Connector
CON6
: Mini USB Connector (USB 2.0 HS Device)
2.1.5
Extended Connectors
CON1 and
CON2
: Show all extended pins in NuMaker-N9H20
2.1.6
Buttons and JUMPER
K1~K6
: Key pad button in NuMaker-N9H20.
SW3
: Reset button in NuMaker-N9H20.
JP1
: System configuration setting in NuMaker-N9H20.
JP1
Connection
Mode
1-2
Open
Normal Mode
1-2
Shorted
USB Booting
Table 2-5 JP1 Connection Setting Assignment
2.1.7
Audio Connectors
CON9
: Headphone Positive Output or Line Output Right and Headphone Negative
Output or Line Output Left.
JP4
: Audio Codec Speaker Out.
Pin No
Pin Name
Pin Functions
1
RSPKOUT
U1, NAU8822A BTL Speaker Positive Output or Right high current
output.
2
LSPKOUT
U1, NAU8822A BTL Speaker Negative Output or Left high current
output.
Table 2-6 JP4 Pin Assignment
JP2 and JP3
: Auxiliary Input and Output.
Pin No
Pin Name
Pin Functions
JP2.2
AUXOUT1
Headphone / Mono Mixed Output / Line Output
JP2.1
AUXOUT2
Headphone / Line Output
JP3.1
RAUXIN
Right Auxiliary Input
JP3.2
LAUXIN
Left Auxiliary Input
Table 2-7 JP2 and JP3 Pin Assignment
