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5.17
Serial Ports
The conga-MEVAL provides up to six serial ports:
•
four serial ports via the Super I/O controller
– COM port 0 and 1 on DSUB9 connector X10
– COM port 2 and 3 on DSUB9 connector X11
•
two serial ports from the COM Express
– Module serial port 0 (SER0) on pin header X115
– Module serial port 1 (SER1) on pin header X116
5.17.1
COM Ports 0-3
The conga-MEVAL provides COM ports 0-1 on DSUB9 connector X10 and COM ports 2-3 on DSUB9 connector X11 via the Super I/O controller.
The COM ports support only RS-232 interface, with flow control.
Optionally, the serial port signals from the Super I/O can be rerouted to pin headers X117 and X118 (BOM option).
Table 46 X10,X11 - COM Port 0-3 Pinout Description
Pin
Signal
Description
1
DCD#
Carrier detect
2
RXD
Receive data
3
TXD
Trasmit data
4
DTR#
Data terminal ready
5
GND
Signal ground
6
DSR#
Data set ready
7
RTS#
Request to send
8
CTS#
Clear to send
9
RI#
Ring Indicator
Connector Type
X10, X11: 2x 9-pin D-SUB female
1
5
9
6
X10
COM0
COM1
1
5
9
6
X11
COM2
COM3