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6174B–ATARM–07-Nov-05
AT91FR40162S Preliminary
Figure 10-15. External Wait
Notes:
1. Early Read Protocol
2. Standard Read Protocol
10.9.4
Chip Select Change Wait States
A chip select wait state is automatically inserted when consecutive accesses are made to two
different external memories (if no wait states have already been inserted). If any wait states
have already been inserted, (e.g., data float wait) then none are added.
Figure 10-16. Chip Select Wait
Notes:
1. Early Read Protocol
2. Standard Read Protocol
ADDR
NCS
NWE
MCK
NRD
(1)
(2)
NWAIT
NCS1
NCS2
MCK
Mem 1
Chip Select Wait
Mem 2
NRD
NWE
(1)
(2)
Содержание AT91FR40162S
Страница 180: ...180 6174B ATARM 07 Nov 05 AT91FR40162S Preliminary Figure 19 2 MCKO Relative to NRST NRST tD MCKO...
Страница 195: ...195 6174B ATARM 07 Nov 05 AT91FR40162S Preliminary 20 5 2 CE Controlled Figure 20 15 CE Controlled...
Страница 204: ...204 6174B ATARM 07 Nov 05 AT91FR40162S Preliminary 23 AT91FR40162S Errata There is no known errata for the AT91FR40162S...