NEC V850ES/SA2 UPD703201 Manual page 188

(3) Word access (32 bits)
(a) 16-bit data bus width (1/2)
<1> Access to address (4n)
First access
31
24
23
16
15 15
8 8
7 7
0 0
Word data External data
bus
<2> Access to address (4n + 1)
First access
31
24
23
16
15 15
8
8
7 7
0 0
Word data External data
bus
188
CHAPTER 5 BUS CONTROL FUNCTION
Second access
31
24
23
Address
16
15
4n + 1
8
7
4n
0
Word data
Second access
31
24
23
Address
16
15
4n + 1
8
7
0
Word data
Preliminary User's Manual U15905EJ1V0UD
Address
15
4n + 3
8
7
4n + 2
0
External data
bus
31
24
23
Address
16
15 15
4n + 3
8
8
7 7
4n + 2
0 0
External data Word data
bus
Third access
Address
15
8
7
4n + 4
0
External data
bus