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6174B–ATARM–07-Nov-05
AT91FR40162S Preliminary
Figure 10-22. 1 Wait, 16-bit Bus Width, Word Transfer
ADDR
ADDR+1
B
2
B
1
B
4
B
3
X X B
2
B
1
B
4
B
3
B
2
B
1
1 Wait State
1 Wair State
MCK
A1 - A23
NCS
NRD
D0 - D15
Internal Bus
WRITE ACCESS
READ ACCESS
NRD
D0 - D15
·
Standard Protocol
·
Early Protocol
B
4
B
3
NWE
D0 - D15
B
2
B
1
B
4
B
3
NLB
NUB
B
2
B
1
·
Byte Write/
Byte Select Option