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NuMaker-HMI-N9H30
Mar. 24, 2022
Page
16
of 39
Rev 1.00
NUMA
K
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R
-HMI
-N
9H30
US
E
R M
A
NU
A
L
Ma
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er Nu
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NUC
47
2
Us
er Man
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l
CON7.26
GPH14
UART8_RTS
CON7.27
GPB15
UART10_CTS
CON7.28
GPH15
UART8_CTS
CON7.29
-
Power 5V
CON7.30
-
Power 5V
Table 2-6 Expand Port (CON7) Function
UART0 selection (CON2, J3):
–
RS-232_0 function and connected to DB9 female (CON2) for debug message output.
–
GPE0/GPE1 connected to 2P terminal (J3).
Connector
GPIO pin of N9H30
Function
J3.1
GPE1
UART0_RXD
J3.2
GPE0
UART0_TXD
Table 2-7 UART0 (J3) Function
UART2 selection (CON6, J6):
–
RS-232_2 function and connected to DB9 female (CON6) for debug message output
–
GPF11~14 connected to 4P terminal (J6)
Connector
GPIO pin of N9H30
Function
J6.1
GPF11
UART2_TXD
J6.2
GPF12
UART2_RXD
J6.3
GPF13
UART2_RTS
J6.4
GPF14
UART2_CTS
Table 2-8 UART2 (J6) Function
RS-485_6 selection (CON5, J5, SW6~8):
–
SW6~8: 1-2 short for RS-485_6 function and connected to 2P terminal (CON5 and J5)
–
SW6~8: 2-3 short for I
2
S function and connected to NAU88C22 (U10)
Connector
GPIO pin of N9H30
Function
SW6:1-2 short
GPG11
RS-485_6_DI
SW6:2-3 short
I2S_DO
SW7:1-2 short
GPG12
RS-485_6_RO
SW7:2-3 short
I2S_DI
SW8:1-2 short
GPG13
RS-485_6_ENB
SW8:2-3 short
I2S_BCLK