13
3.3 Parallel Port
This port is usually connected to a printer, The ROCKY-3742EVFG
includes an on-board parallel port, accessed through a 26-pin flat-
cable connector CN11.
•
CN11 : Parallel Port Connector
2 4 6 … 22 24 26
…
…
1 3 5 … 21 23 25
PIN NO. DESCRIPTION
PIN NO.
DESCRIPTION
1 STROBE#
2 DATA
0
3
DATA 1
4
DATA 2
5
DATA 3
6
DATA 4
7
DATA 5
8
DATA 6
9 DATA
7
10 ACKNOWLEDGE
11 BUSY
12 PAPER
EMPTY
13
PRINTER SELECT
14
AUTO FORM FEED #
15 ERROR#
16 INITIALIZE
17 PRINTER
SELECT
LN#
18 GROUND
19 GROUND
20 GROUND
21 GROUND
22 GROUND
23 GROUND
24 GROUND
25 GROUND
26 NC
14
3.4 USB Port Connector
The ROCKY-3742EVFG built in two USB(Spec. 1.1) ports for
the future new I/O bus expansion.
CN3 : 2 ports USB Connector
Pin 1-4 for USB 1
Pin 5-8 for USB 0
5 6 7 8
1 2 3 4
PIN NO. DESCRIPTION PIN NO. DESCRIPTION
1. GROUND
5. VCC
2. DATA1+
6. DATA0-
3. DATA1-
7. DATA0+
4. VCC
8. GROUND
3.5 Power Button Switch
CN26 : 2 Pin Power Button Switch
1
2
PIN NO.
DESCRIPTION
1 Power
Button
2 Ground
