NEC V850E/PH2 User Manual page 158

(2) Halfword access (16 bits)
(a) When the data bus width is 32 bits (Little Endian)
<1> Access to address (4n)
15
8
7
0
Halfword
data
<3> Access to address (4n+2)
15
8
7
0
Halfword
data
158
Chapter 4 Bus Control Function (μPD70F3187 only)
Address
31
24
23
16
15
4n + 1
8
7
4n
0
External
data bus
Address
31
4n + 3
24
23
4n + 2
16
15
8
7
0
External
data bus
User's Manual U16580EE3V1UD00
<2> Access to address (4n+1)
15
8
7
0
Halfword
data
<4> Access to address (4n+3)
1st access
Address
31
4n + 3
24
23
16
15 15
8 8
7 7
0 0
Halfword External
data data bus
Address
31
24
23
4n + 2
16
15
4n + 1
8
7
0
External
data bus
2nd access
Address
31
24
23
16
15 15
8 8
7 7
4n + 4
0 0
Halfword
External
data data bus