16
3.3 Parallel Port
This port is usually connected to a printer. The ROCKY-538TXV includes an on-
board parallel port accessed through a 26-pin flat-cable connector CN3.
CN3 : Parallel Port Connector
PIN DESCRIPTION
PIN 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-538TXV offers two high speed NS16C550 compatible UARTs with
Read/Receive 16 byte FIFO serial ports.
CN12 : Serial Port DB-9 Connector( COM1 )
PIN 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)
CN13 : Serial Port 10-pin Header( COM2)
PIN
DESCRIPTION PIN
DESCRIPTION
1
DCD
6
DSR
2
RXD
7
RTS
3
TXD
8
CTX
4
DTR
9
RI
5
GND
10
NC
Содержание ROCKY-538TXV
Страница 9: ...9 2 3 CPU Settings for ROCKY 538TXV...
