NEC V850E/PH2, User Manual

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159
Chapter 4 Bus Control Function (
μ
PD70F3187 only)
User’s Manual U16580EE3V1UD00
(b) When the data bus width is 16 bits (Little Endian)
<1> Access to address (4n) <2> Access to address (4n+1)
<3> Access to address (4n+2) <4> Access to address (4n+3)
7
0
7
0
15
8
15
8
External
data bus
4n
4n + 1
Address
Halfword
data
7
0
7
0
15
8
15
8
External
data bus
4n + 1
Address
7
0
7
0
15
8
15
8
External
data bus
4n + 2
Address
Halfword
data
Halfword
data
1st access 2nd access
7
0
7
0
15
8
15
8
External
data bus
4n + 2
4n + 3
Address
Halfword
data
7
0
7
0
15
8
15
8
External
data bus
4n + 3
Address
7
0
7
0
15
8
15
8
External
data bus
4n + 4
Address
Halfword
data
Halfword
data
1st access 2nd access