123
Chapter 4
Bus Control Function
Preliminary User’s Manual U15839EE1V0UM00
(3)
Word access (32 bits)
(a) When the bus width is 16 bits (Little Endian)
<1> Access to address 4n
<2> Access to address 4n + 1
7
0
7
0
Word data
15
8
External
data bus
4n
Address
15
8
4n + 1
23
16
31
24
7
0
7
0
Word data
15
8
External
data bus
4n + 2
Address
15
8
4n + 3
23
16
31
24
1-st Access
2-nd Access
7
0
7
0
Word data
15
8
External
data bus
Address
15
8
4n + 1
23
16
31
24
7
0
7
0
Word data
15
8
External
data bus
4n + 2
Address
15
8
4n + 3
23
16
31
24
7
0
7
0
Word data
15
8
External
data bus
4n + 4
Address
15
8
23
16
31
24
1-st Access
2-nd Access
3-rd Access
Содержание mPD703128
Страница 6: ...6 Preliminary User s Manual U15839EE1V0UM00 ...
Страница 20: ...20 Preliminary User s Manual U15839EE1V0UM00 ...
Страница 32: ...32 Preliminary User s Manual U15839EE1V0UM00 MEMO ...
Страница 154: ...154 Preliminary User s Manual U15839EE1V0UM00 MEMO ...
Страница 238: ...238 Preliminary User s Manual U15839EE1V0UM00 MEMO ...
Страница 356: ...356 Preliminary User s Manual U15839EE1V0UM00 MEMO ...
Страница 522: ...522 Preliminary User s Manual U15839EE1V0UM00 MEMO ...
Страница 600: ...600 Preliminary User s Manual U15839EE1V0UM00 MEMO ...
Страница 610: ...610 Preliminary User s Manual U15839EE1V0UM00 ...
Страница 612: ......