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CHAPTER 4 BUS CONTROL FUNCTION
93
User’s Manual U15195EJ5V0UD
(b) When the data bus width is 8 bits (little endian) (2/2)
<3> Access to address 4n + 2
1st access
2nd access
3rd access
4th access
7
0
7
0
Word data
External
data bus
Address
15
8
4n + 2
23
16
31
24
7
0
7
0
Word data
External
data bus
4n + 3
Address
15
8
23
16
31
24
7
0
7
0
Word data
External
data bus
4n + 4
Address
15
8
23
16
31
24
7
0
7
0
Word data
External
data bus
4n + 5
Address
15
8
23
16
31
24
<4> Access to address 4n + 3
1st access
2nd access
3rd access
4th access
7
0
7
0
Word data
External
data bus
Address
15
8
4n + 3
23
16
31
24
7
0
7
0
Word data
External
data bus
4n + 4
Address
15
8
23
16
31
24
7
0
7
0
Word data
External
data bus
4n + 5
Address
15
8
23
16
31
24
7
0
7
0
Word data
External
data bus
4n + 6
Address
15
8
23
16
31
24
Содержание PD703114
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