Rs-232/422/485 1X10P Wafer (Cn17); 40-Pin Hat Connector (Cn18) - Asus AAEON UP Xtreme i12 User Manual

2.3.18

RS-232/422/485 1x10P Wafer (CN17)

Pin Signal
1 DCD / RS422TX- / S485-
3 TX / RS422RX+
5 GND
7 RTS
9 RI
2.3.19

40-Pin HAT Connector (CN18)

Pin Signal
1 +3.3V
3 I2C1_DAT / GPIO1
5 I2C1_CLK / GPIO2
7 ANALOG_DATA / GPIO3
9 GND
11 GPIO4
13 GPIO5 / TIME_SYNC0
15 GPIO6 / TIME_SYNC1
Chapter 2 – Hardware Information
Pin Signal
2 RX / RS422TX+ / RS485+
4 DTR / RS422RX-
6 DSR
8 CTS
10 NC
Pin Signal
2 +5V
4 +5V
6 GND
8 UART_TX / GPIO16
10 UART_RX / GPIO17
12 I2S_BCLK / GPIO18
14 GND
16 GPIO19
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