CMX147786HX
RTD Embedded Technologies, Inc.
31
multiPort, CN6 - Parallel Port Mode
The parallel port is available on connector
CN6
. Make sure the BIOS setup sets the multiPort to
parallel port. You can use the BIOS Setup to select the parallel port’s address, associated interrupt,
and choose between its operational modes (SPP, ECP, EPP 1.7 and EPP 1.9).
The pinout of the connector allows a ribbon cable to directly connect it to a DB25 connector, thus
providing a standard PC compatible port.
The following tables lists the parallel port signals and explains how to connect it to a DB25 connec-
tor to obtain a PC compatible port.
NOTE!
For correct operation, keep the length of the cable connect-
ing the cpuModule and parallel device less than 3 meters
(10 feet).
Table 11: multiPort Parallel Port Connector Pinout CN6
Pin
Signal
Function
in/out
DB25
1
STB
Strobe Data
out
1
2
AFD
Autofeed
out
14
3
PD0
Printer Data 0 (LSB)
out
2
4
ERR
Printer Error
in
15
5
PD1
Parallel Data 1
out
3
6
INIT
Initialize printer
out
16
7
PD2
Printer Data 2
out
4
8
SLIN
Select printer
out
17
9
PD3
Printer Data 3
out
5
10
GND
Signal ground
--
18
11
PD4
Printer Data 4
out
6
12
GND
Signal ground
--
19
13
PD5
Printer Data 5
out
7
14
GND
Signal ground
--
20
15
PD6
Printer Data 6
out
8
16
GND
Signal ground
--
21
17
PD7
Printer Data 7 (MSB)
out
9
18
GND
Signal ground
--
22
19
ACK
Acknowledge
in
10
20
GND
Signal ground
--
23
21
BSY
Busy
in
11
22
GND
Signal ground
--
24
23
PE
Paper End
in
12
24
GND
Signal ground
--
25
25
SLCT
Ready To Receive
in
13
26
RSV
Reserved-Do Not Connect
--
--
Содержание cpuModule CMX147786HX
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