17
3.3
Parallel Port
This port is usually connected to a printer. The ROCKY-772EV
includes an on-board parallel port, accessed through a 26-pin
flat-cable connector.
•
CN5 : Parallel Port Connector
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
3.4 Serial
Ports
The ROCKY-772EV offers two high speeds NS16C550
compatible UART.
CN14 (COM1) : 10-pin header on board
CN11 (COM2) : 10-pin header on board
Serial port connections
Connector
Ports Address Interrupt
CN14 COM1 3F8 IRQ4
CN11 COM2 2F8 IRQ3
18
•
Serial Port 10-pin Connector
PIN NO.
DESCRIPTION
1
DATA CARRIER DETECT (DCD)
2
RECEIVE DATA (RXD)
3
TRANSMIT DATA (TXD)
4
DATA TERMINAL READY (DTR)
5
GROUND (GND)
6
DATA SET READY (DSR)
7
REQUEST TO SEND (RTS)
8
CLEAR TO SEND (CTS)
9
RING INDICATOR (RI)
10
GROUND (GND)
3.5
Keyboard & PS/2 Mouse Connector
A 6-pin mini DIN connector (CN26) is located on the mounting
bracket for easy connection to a keyboard or a PS/2 mouse.
The card comes with a cable to convert from the 6-pin mini-DIN
connector to two 6-pin mini-DIN connectors for keyboard and
mouse connection.
•
CN26 : 6-pin Mini-DIN Keyboard Connector
PIN NO.
DESCRIPTION
1 KEYBOARD
DATA
2 MOUSE
DATA
3 GROUND
4 +5V
5 KEYBOARD
CLOCK
6 MOUSE
CLOCK
For alternative application, a keyboard and a PS/2 mouse pin
header connector are also available on board, located on CN25
respectively.
•
CN25 : 5-pin Header Keyboard Connector
PIN NO.
DESCRIPTION
1 KEYBOARD
CLOCK
2 KEYBOARD
DATA
3 N/C
4 GROUND
5 +5V
