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3.9.10
Parallel Port Connector (CN6)
3.9.11
Signal Description – Parallel Port Connector (CN6)
PD [7:0]
Parallel data bus from PC board to printer. The data lines are able to operate in PS/2
compatible bi-directional mode.
SLIN#
Output line for detection of printer selection. This pin is pulled high internally.
SLCT
An active high input on this pin indicates that the printer is selected. This pin is pulled high
internally.
STB#
An active low output is used to latch the parallel data into the printer. This pin is pulled high
internally.
BUSY
An active high input indicates that the printer is not ready to receive data. This pin is pulled
high internally.
ACK#
An active low input on this pin indicates that the printer has received data and is ready to
accept more data. This pin is pulled high internally.
INIT#
Output line for the printer initialization. This pin is pulled high internally.
AFD#
An active low output from this pin causes the printer to auto feed a line after a line is printed.
This pin is pulled high internally.
ERR#
An active low input on this pin indicates that the printer has encountered an error condition.
This pin is pulled high internally.
PE
An active high input on this pin indicates that the printer has detected the end of the paper.
This pin is pulled high internally.
Signal
PIN
STB#
1
2
PD0
3
4
PD1
5
6
PD2
7
8
PD3
9
10
PD4
11
12
PD5
13
14
PD6
15
16
PD7
17
18
ACK#
19
20
BUSY
21
22
PE
23
24
SLCT
25
26
Signal
AFD#
ERR#
INIT#
SLIN#
GND
GND
GND
GND
GND
GND
GND
GND
NC
ECB-862/862L User's Manual 31
ECB-862/862L
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