Filter
Top Products
I
11.3 PIN FUNCTIONSON INTERFACES
● ParallelInterface
Function
GoesfromHigh to Low (forat
least 0.5 microseconds)when
dataare valid.
2
DATA1 IN
3
DATA2 IN
$ DATA3 IN
Eight-bit character data.
5
DATA4 IN
DATA8 is the most significant
6
DATA5 IN
bit; DATA1 is the least
7
DATA6 IN
significant bit, High is logic 1
and Low is logic O.
B
DATA7 IN
9
DATA8 IN
10 ACK OUT
A
lowpulseacknowledges
receiptof data.
11 BUSY
OUT
Lowwhentheprinterisready
to acceptdata.
12
PAPER
OUT
Goes
Highif theprinterruns
OUT outofpaper.
13 SELECTED
OUT Highwhentheprinterisonline
14-15 N/C
Unused
16 SIGNAL Signalground.
, GND
17
CHASSIS
Printer’schassisground,
GND
isolatedfromsignalground.
18
+5VDC OUT Externalsupplyof +5VDC
19-30 GND
Twisted pair return signal
ground level.
31 —
RESET IN
Low input resets the printer to
its
power-oncondition.
32 —
ERROR OUT Goeslowto siaal thatthe
printercannot@nt duetoan
errorcondition.
33-36 N/C
Unused
109