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Bus Operation
7-70 M68060 USER’S MANUAL MOTOROLA
The MC68060 does not require snooped bus cycles to be terminated with a legal transfer
termination (TA, TEA, or TRA). The only requirement is that TS be asserted no more fre-
quently than once every other BCLK edge. Figure 7-47 shows a snooped bus cycle.
Figure 7-46. Effect of BGR on Locked Sequences
BCLK
TS
TIP
R/W
LOCK
ADDRESS
ATTRIBUTES
D31–D0
SAS
TA
BR
BG
BGR
BTT
BB
AM_BG
LOCKE
PROCESSOR ALTERNATE
MASTER PROCESSOR ALTERNATE
MASTER
PRE
DRIVE
PRE
DRIVE
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