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2015
congatec
AG
PA3Cm01
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Connector X54 Pinout Description
Pin
Signal Name
1
3.3V
2
Selected LCD Power
3
5V
Connector Type
X54: 2mm, 3 Pos. Pin Header
5.8
Serial Ports (COM)
The conga-PA3 provides an RS-232 compliant UART interface on connector X16. The COM port is located at the bottom side of the SBC and
can drive up to 250kb kbit/s.
The conga-PA3 revision B.x and later support multi-protocol serial ports (RS232/RS422/RS485).
Serial Port - RS232 (Connector X16) Pinout Description
Pin
Signal
Description
1
COM1_GND
Ground
2
COM1_TXD
Transmit Data
3
COM1_RTS#
Request to Send
4
COM1_CTS#
Clear to Send
5
COM1_RXD
Received Data
Connector Type
X16: 1.25mm Pitch, 1x5 Molex PicoBlade Pin Header
Mating Connector: Possible mating connector for X16 is Molex 51021-0500.
Note
congatec offers the adapter cable for the COM ports (see section 1.2.2 “Optional Accessories/Cables). For more information, contact congatec
technical solution department.
2
3
1
X54
UART - Connector X16