IBASE SMARC-EVK1 - Manual (Page 19)

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CN17: RS232/422/485
Pin # RS232 RS422 RS485
1 TXD- D-
2 RXD TXD+ D+
3 TXD RXD+
4 RXD-
5 GND
6
7 RTS
8 CTS
( SMARC standard define 4 wired RS232 signals)
N9: LVDS (DF13-20DP-1.25V)
Signal Name Pin # Pin # Signal Name
TX0+ 1 2 TX0-
GND 3 4 GND
TX1+ 5 6 TX1-
GND 7 8 VDD
TX3+ 9 10 TX3-
TX2+ 11 12 TX2-
GND 13 14 GND
TXC+ 15 16 TXC-
BKLT_PWM 17 18 VDD
BKLT_VCC 19 20 BKLT_VCC
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