NEC V850E/RS1 User Manual page 217

(b) 8-bit data bus width (1/2)
31
24
23
16
15
8
7
0
Word data
31
24
23
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15
8
7
0
Word data
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Chapter 5 Bus Control Function
1-st Access 2-nd Access
31
24
23
16
15
Address
8
7 7
4n
0 0
External Word data
data bus
1-st Access 2-nd Access
31
24
23
16
15
Address
8
7 7
4n + 1
0 0
External Word data
data bus
User's Manual U16702EE3V2UD00
<1> Access to address (4n)
3-rd Access
31
24
23
16
15
Address
8
7 7
4n + 1
0 0
External Word data
data bus
<2> Access to address (4n + 1)
3-rd Access
31
24
23
16
15
Address
8
7 7
4n + 2
0 0
External Word data
data bus
4-th Access
31
24
23
16
15
Address
8
7 7 7
4n + 2
0 0 0
External Word data External
data bus data bus
4-th Access
31
24
23
16
15
Address
8
7 7 7
4n + 3
0 0 0
External Word data External
data bus data bus
Address
4n + 3
Address
4n + 4
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