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(a) When the bus width is 16 bits (little endian) (2/2)
<3> Access to address (4n + 2)
1st access
31
24
23
16
15
15
8
8
7
7
0
0
Word data
External
data bus
<4> Access to address (4n + 3)
1st access
31
24
23
16
15
15
8
8
7
7
0
0
Word data
External
data bus
112
CHAPTER 4
BUS CONTROL FUNCTION
2nd access
31
24
23
Address
16
15
4n + 3
8
7
4n + 2
0
Word data
2nd access
31
24
23
Address
16
15
4n + 3
8
7
0
Word data
User's Manual U14359EJ4V0UM
Address
15
4n + 5
8
7
4n + 4
0
External
data bus
31
24
23
Address
16
15
15
4n + 5
8
8
7
7
4n + 4
0
0
External
Word data
data bus
3rd access
Address
15
8
7
4n + 6
0
External
data bus
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