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18
No31: LPC/COM2/3/4
J4: LPC
Pin Function
1 GND
2 GND
3 3V3
4 LPC_AD0
5 LPC_AD1
6 LPC_AD2
7 LPC_AD3
8 LPC_FRAME-
9 LPC_RST#
10 CLK_DBG
J5: COM2 / J6: COM3 / J13: COM4
Pin RS232
RS422
RS485
1 5V
NC
NC
2 GND
GND
GND
3 COM_P9
NC
NC
4 DTR-
RX-
Data-
5 CTS-
NC
NC
6 TXD
RX+
Data+
7 RTS-
NC
NC
8 RXD
TX+
NC
9 DSR-
NC
NC
10 DCD-
TX-
NC