Serial Ports; Com Port 0; Com Port 1; Table 28 Connector X18 Pinout Description - Congatec SMARC 2.0 conga-SEVAL User Manual

4.10

Serial Ports

The conga-SEVAL supports up to four serial ports:
• COM port 0 on DSub9 connector X18
• COM port 1 on pin header X17
• COM port 2 on feature connector X37 (COM signals are shared with M.2 connector)
• COM port 3 on feature connector X37
4.10.1

COM Port 0

COM port 0 supports RS 232 I/O voltage levels.
Table 28 Connector X18 Pinout Description
Pin Signal
1 NC
2 SER0_RXD
3 SER0_TXD
4 NC
5 SER0_GND
Connector Type
X18: 9-pin D-Sub connector
4.10.2

COM Port 1

COM port 1 supports RS 232 I/O voltage levels.
Table 29 Connector X17 Pinout Description
Pin Signal
1 NC
2 NC
3 SER1_RXD
Copyright © 2017 congatec AG
Pin Signal
6 NC
7 SER0_RTS
8 SER0_CTS
9 NC
Pin Signal
6 NC
7 NC
8 NC
COM Port 0 - X18
1 5
COM1
6 9
COM Port 1 - X17
2 4 6 8 10
1 3 5 7 9
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