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6174B–ATARM–07-Nov-05
AT91FR40162S Preliminary
Figure 10-19. Standard Read Protocol with t
DF
Read Mem 1
Write
Mem 1
A0 - A23
NRD
NWE
NCS1
NCS2
D0 - D15 (Mem 1)
D0 - D15 (Mem 2)
D0 - D15 (AT91)
MCK
Data
Float Wait
Read Mem 1
Data
Float Wait
Read
Mem 2
Read Mem 2
Data
Float Wait
Write
Mem 2
Write
Mem 2
Write
Mem 2
t
WHDX
t
DF
t
DF
t
DF