Atmel Evaluation Kit AT91SAM9X25-EK AT91SAM9X25-EK Data Sheet
Product codes
AT91SAM9X25-EK
411
SAM9X25 [DATASHEET]
11054E–ATARM–10-Mar-2014
Figure 29-29.NWAIT Assertion in Read Access: Ready Mode (EXNW_MODE = 11)
EXNW_MODE = 11(Ready mode)
READ_MODE = 0 (NCS_controlled)
READ_MODE = 0 (NCS_controlled)
NRD_PULSE = 7
NCS_RD_PULSE =7
NCS_RD_PULSE =7
A[25:2]
MCK
NCS
NRD
4
5
6
3
2
0
0
0
1
4
5
6
3
2
1
1
Read cycle
Assertion is ignored
NWAIT
internally synchronized
NWAIT signal
Wait STATE
Assertion is ignored
NBS0, NBS1,
NBS2, NBS3,
A0,A1
NBS2, NBS3,
A0,A1