Parallel Interface Pin Assignments: Ecp Mode - Oki OKIPAGE14i Manual

Parallel Interface Pin Assignments: ECP Mode

Pin
1
2-9
10
11
12
13
14
15
16
17
18
19
20-27
28
29
30
31
32
33
34
35
36
230
Signal Name
Data Strobe
Data Bit n
Acknowledge
Busy
Paper End
Select
Auto Feed
[not used]
0V
Chassis Ground
+5V
0V
0V
0V
0V
0V
Input Prime
Fault
0V
[NOT USED]
HiLevel
Sel In
Direction
to printer
to printer
from printer
from printer
from printer
from printer
to printer
—
—
—
from printer
—
—
—
—
—
to printer
from printer
—
—
from printer
to printer
ECP
HostClk
Data 1 (LSB) to 8
(MSB)
PeriphClk
PeriphAck
nAckReverse
Xflag
HostAck
—
Signal Ground
Chassis Ground
+5 V supply (50mA
max)
Signal Ground
Signal Ground
Signal Ground
Signal Ground
Signal Ground
nReverseRequest
nPeriphRequest
—
—
High level
1284 Active