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PARALLEL INTERFACE
Parallel
port
Specifications
Outpu
t
format
Transm
ission
method
Code
used
Applic~1bl
e
statements
Interfa
ce
Parall
el inte rface
(1)
Specif ications
Svnchfonization
Handshake
Logic
l~vcl
(2)
Ou
tput
connector
DB·25( MJ
in
use.
Parallel
(8
bi
ts)
'
Handshake
(ON with
BUSY
signal
)
ASCII
LPRINT,
LLIST,
FEED.
CONSOLE. PR
IN
Tlt-·9.
TTL
l~vo
l
By means
of externally
supplied strobe
pulse.
By
BUSY
signal.
Outpu1
data ar'ld
all
u)IEH
face control signals ara
TTL con1
·
pa11blc.
-
Electrica
l
cond
itions
Of1
parallel
interface
co nnt~ctor
p
in
-
!Ou
tpu
t
signal level
]
H
IGH
•
+2.4
1
0
+5.0
V
LOW
•
±0
l
O
+0.4
v
!Output
cond111on)
Outputted
through
74LS04.
One TTL or LSTTL compatible
is
recommended f0t
the load.
(Input
signal
level)
HIGH
•
+2.0 V to
•S
V
LOW
•
%
0 to
+0.8 V
I
Input
cond111on)
Input
load
of
one
74LS04.
Input
signal
is pulled
up
by
means
of 10 Kohms
resistance.
CD
0 0 0
0 0 0 0
0 0 0
0
13
~
0000000000
25
Connector pin asstgnment
The
CE332P
option
interfacing cable (25
to
36 pin),
EA·
158C,
os
available.
Do not
sell
this PDF !!!
65
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