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DATA IN
BERRI
BR
(NOTE2)
ASYNCHRONOUS
INPUTS (NOTE 1)
NOTES:
SO
S1
S2
S3
S4
SS
S6
S7
1. Setup llme for lhe asynchronous lnpu1a
1'Pt2-1Pi:O
guaran'8e1 lhelr recognlllon at lhe next falling edge of lhe
ctock.
2.
fm
need fall at this time only IO Insure
being
recognized
al
lhe end
of the bus cycle.
3. llmlng
rneasuremant11 are
referenced ID and from
a
low voltage of 0.8
volt and a high voltage of 2.0 YOllB, unless
oth-lle nolBd. The voltage
swing
through this range should start oUIBlde and
p111
through the range such that the
rise or fall II Unear belWeen 0.8 volt and 2.0 vollB.
Figure 6·2. Read-Cycle Timing Diagram
MOTOROLA
MC68302 USER'S MANUAL
6-7
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