Interfaces
\text/etd/DA615\Interfaces
6.2 DA615 instruction manual
Signal description
PIN Associated Signal Signal- Meaning
GND Input/Output
________
1 19 STROBE E This pulse (0.5µs)
reports that data
bits are valid
2-9 20-27 DATA 1-8 E Data bits D0-D7
_____________
10 28 ACKNOWLEDGE A Printer report:
data are processed
(ready to receive)
11 29 BUSY A Printer report:
data received,
data being pro-
cessed
12 30 PE (Paper empty) A Printer reports to
computer: no
paper
13 -- SELECT (Online) A Signal is high when
printer is on-line
14 -- Autofeed E No function, only
for bidirectional
interface
15 -- Free Free
16 -- GND GND
17 -- Chassis GND Chassis GND
18, 35 -- + 5V + 5V over 0.2A Si
19-30 -- GND GND
____
31 -- INIT E Resets printer
_______
32 -- ERROR A Signal is low at
printer error
33 -- GND GND
34 -- Free Free
36 -- SELECT IN E No function, only
for bidirectional
interface
