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Intel ECB-862 Manual De Usuario

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ECB-862/862L 
ECB-862/862L User’s Manual 31  
 
3.9.10  Parallel Port Connector (CN6) 
 
Signal 
PIN 
Signal 
STB# 1 
2
AFD# 
PD0 3 
4
ERR# 
PD1
 
5 6
INIT# 
PD2
 
7 8
SLIN# 
PD3
 
9 10
GND 
PD4
 
11
12
GND 
PD5 13
14
GND 
PD6 15
16
GND 
PD7 17
18
GND 
ACK# 19
20
GND 
BUSY 21
22
GND 
PE 23
24
GND 
SLCT 25
26
NC 
 
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.