Serial Ports (Com Ports); Super I/O Com Port 0 Header; Table 45 X53 - Com 0 Pinout Description; Table 46 Sw12 - Com Port 0 Transceiver Configuration - Congatec conga-TEVAL3/COMe 3.1 User Manual

4.16

Serial Ports (COM Ports)

The conga-TEVAL3/COMe 3.1 supports up to four serial ports:
• Super I/O COM port 0 on connector X53
• Super I/O COM port 1 on connector X52
• Module COM port 0 (SER0) on connector X74 and on feature connector X56 (CMOS level)
• Module COM port 1 (SER1) on connector X75 and on feature connector X56 (CMOS level)
4.16.1

Super I/O COM Port 0 Header

The conga-TEVAL3/COMe 3.1 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
1 DCD# 2
3 RXD 4
5 TXD 6
7 DTR# 8
9 GND 10
Table 46 SW12 - COM Port 0 Transceiver Configuration
SW 1 SW 2
OFF OFF
ON OFF
OFF ON
ON ON
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Signals
DSR
RTS#
CTS#
RI#
+5V (750mA fuse)
Configuration
Loopback
RS-232 (default)
RS-485 half duplex
RS-485/RS-422 full duplex
TEVA31_m001
X53
SW12
50/62