Protouch-wide: user documentation
DOC/PROTOUCH-8; V1.6
DOC_PROTOUCH_8-E_V1.6.docx
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2.4.5
COM 2 (only on selected products; see 2.2)
Serial port 2 is available with standard RS232 signals on a standard DSUB-9 connector on the front (COM2). The serial port has a fixed base
address of 2F8H.
COM2 uses hardware interrupt 3, interrupt configuration may be changed in CMOS setup SIO configuration.
Device Connection RS232
The Serial Port COM2 is available on DSUB-9
Pin Number
Signal
Pin Number
Signal
1
DCD
6
DSR
2
RXD
7
RTS
3
TXD
8
CTS
4
DTR
9
RI
5
GND
Tab. 5
Serial Port COM2
2.4.6
CAN Interface (only on selected products; see 2.2)
Serial port 2 is available as a CAN 2.0b interface using standalone SJA1000-similar PCIe CAN controllers. The controller is compatible with PEAK-
System PCIe CAN controller and includes a license to use the PEAK-System drivers.
CAN i/o base address and interrupt enumerated by PCIe BIOS.
Device Connection CAN
The CAN interface is available on DSUB-9
Important
Note
120 Ohm termination resistors must be connected externally
Pin Number
Signal
Pin Number
Signal
1
no connection
6
no connection
2
CAN Low
7
CAN High
3
CAN Ground
8
no connection
4
no connection
9
no connection
5
no connection
Tab. 6
CAN port on DSUB-9 male (9 pin)
