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6174B–ATARM–07-Nov-05
AT91FR40162S Preliminary
No wait state is added when a read cycle is followed by a write cycle, between consecutive
accesses of the same type or between external and internal memory accesses.
Early read wait states affect the external bus only. They do not affect internal bus timing.
Figure 10-9. Standard Read Protocol
Figure 10-10. Early Read Protocol
ADDR
NCS
NWE
MCKI
NRD
or
ADDR
NCS
NWE
MCKI
NRD
or