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4.17
Serial Ports (COM Ports)
The conga-TEVAL/COMe 3.0 supports up to four serial ports:
•
COM port 0 on connector X53
•
COM port 1 on connector X52
•
Module serial port 0 (SER0) on feature connector X56
•
Module serial port 1 (SER1) on feature connector X56
4.17.1
COM Port 0 Header
The conga-TEVAL/COMe 3.0 provides COM port 0 on connector X53 via the onboard Super I/O. The port supports RS 232, RS 422 and RS 485
I/O voltage levels. Use DIP SW12 and SW13 to configure the functionality of COM Port 0 transceiver.
Table 45 X53 - COM 0 Pinout Description
Pin Signals
Pin Signals
1
DCD#
2
DSR
3
RXD
4
RTS#
5
TXD
6
CTS#
7
DTR#
8
RI#
9
GND
10
+5V (750mA fuse)
Table 46 SW12 - COM Port 0 Transceiver Configuration
SW 1
SW 2
Configuration
OFF
OFF
Loopback
ON
OFF
RS-232
OFF
ON
RS-485 half duplex
ON
ON
RS-485/RS-422 full duplex
1
3
2
4
5
6
7
8
9
10
X53
1
2
0N
SW12