Xerox 4215 User Manual page 256

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F-6 Interface Support
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XEROX 4219/MRP Mid Range Systems Printer
XEROX 4215/MRP Mid Range Systems Printer
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Table F-2
Timing Requirements
Parameter
Data Setup Time
before STROBE* True
Data Hold Time after
STROBE False
STROBE* True pulse
STROBE* True to BUSY
BUSY True duration
when receiving data
ACKNOWLEDGE* False to
BUSY False
ACKNOWLEDGE* True
pulse width
BUSY False to start
of next cycle
BUSY True before:
ERROR* set True
SELECT set False
PAPER ERROR set True
ACKNOWLEDGE True
after:
ERROR set False
SELECT set True
DIIIIIIIIHHHHHHHHIIIIIIIIIIIII
Value
Min Max
—
.5 µs
.5 µs —
—
.5 µs
0
.5 µs
.5 µs —
0 —
—
.5 µs
—
0
—
1.0 µs
—
1.0 µs
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