Datasheet
V850ES/JG3 CHAPTER 5 BUS CONTROL FUNCTION
R01UH0015EJ0300 Rev.3.00 Page 157 of 870
Sep 30, 2010
(4) Word access (32 bits)
(a) 16-bit data bus width (1/2)
<1> Access to address (4n)
First access Second access
7
0
7
0
15
8
4n
15
8
4n + 1
23
16
31
24
7
0
7
0
15
8
4n + 2
15
8
4n + 3
23
16
31
24
Word data External data
bus
Address
Word data External data
bus
Address
<2> Access to address (4n + 1)
First access Second access Third access
7
0
7
0
15
8
15
8
4n + 1
23
16
31
24
7
0
7
0
15
8
4n + 2
15
8
4n + 3
23
16
31
24
7
0
7
0
15
8
4n + 4
15
8
23
16
31
24
Word data External data
bus
Address
Word data External data
bus
Address
Word data External data
bus
Address