15
6770 includes an on-board parallel port accessed
through a 26-pin flat-cable connector.
•
LPT1 : Parallel Port Connector
PIN NO.
DESCRIPTION
PIN NO.
DESCRIPTION
1
STROBE#
14
AUTO FORM FEED #
2 DATA
0
15 ERROR#
3 DATA
1
16 INITIALIZE
4
DATA 2
17
PRINTER SELECT LN#
5 DATA
3
18 GROUND
6 DATA
4
19 GROUND
7 DATA
5
20 GROUND
8 DATA
6
21 GROUND
9 DATA
7
22 GROUND
10 ACKNOWLEDGE
23 GROUND
11 BUSY
24 GROUND
12 PAPER
EMPTY
26 GROUND
13 PRINTER
SELECT
26 GROUND
3.4 Serial Ports
The PCISA-6770 offers two high-speed NS16C550
compatible UART.
COM1 : 10-pin header onboard
COM2 : 14-pin header onboard
Connector Ports Address
Interrupt
COM1 COM1 3F8 IRQ4
COM2 COM2 2F8 IRQ3
•
Serial Port 10(14)-pin Connector
PIN
NO.
DESCRIPTION
PIN
NO.
DESCRIPTION
1
DATA CARRIER
DETECT (DCD)
2
DATA SET READY
(DSR)
3
RECEIVE DATA
(RXD)
4
REQUEST TO SEND
(RTS)
5
TRANSMIT DATA
(TXD)
6
CLEAR TO SEND
(CTS)
7
DATA TERMINAL
READY (DTR)
8
RING INDICATOR
(RI)
9
GROUND
10
NC
(11)
RS-422 TX+
RS-485 Data+
(12)
RS-422 TX-
RS-485 Data-
Summary of Contents for PCISA-6770 Series
Page 10: ......
Page 52: ...51 Digital Output is 1001b...
