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Interface timing, Mode centronics, Mode ieee 1284 – Compuprint 9058 Programmer Manual User Manual

Page 140

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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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