Interface timing, Mode centronics, Mode ieee 1284 – Compuprint 9058 Programmer Manual User Manual
Page 140
The Parallel Interface
A78408098-003
C.11
Interface Timing
Timing and Handshaking depend upon the connection mode.
Mode Centronics
Our Centronics mode supports the BUSY-WHILE-STROBE busy
signal timing and ACK-IN-BUSY as BUSY-ACK relationship.
Legend
Time interval
Min.
Max.
A
Data Setup Time
1.0
B
Strobe pulse width
1.0
500
all times in
µ
s
C
Data hold time
1.0
t
Busy while Strobe
0.25
1.0
a
Ack in Busy
0
2.5
M
M
o
o
d
d
e
e
I
I
E
E
E
E
E
E
1
1
2
2
8
8
4
4
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