RX610 Group
11. Buses
R01UH0032EJ0120 Rev.1.20
Page 281 of 1006
Feb 20, 2013
Data Size
8 bits
16 bits
32 bits
Access
Address
Number of
Access
4n
4n
4n
One
Two
Four
D0
D7
D15
Data Bus
RD#
WR1#/BC1#
WR0#/BC0#
First
First
First
8 bits
8 bits
8 bits
8 bits
8 bits
8 bits
8 bits
4n+1
4n+2
4n+3
4n
4n+1
4n+2
4n+3
4n
4n+1
4n
4n+1
4n+2
(p)
One
One
One
First
8 bits
8 bits
8 bits
First
First
4n+1
Two
First
8 bits
8 bits
4n+1
4n+2
4n+2
Two
First
8 bits
8 bits
4n+2
4n+3
4n+3
Two
First
8 bits
8 bits
4n+3
4n+4
(p)
(p)
4n+1
Four
First
8 bits
8 bits
8 bits
8 bits
4n+1
4n+2
4n+3
4n+2
Four
First
8 bits
8 bits
8 bits
8 bits
4n+2
4n+3
4n+4
4n+3
Four
8 bits
8 bits
8 bits
8 bits
4n+3
4n+4
4n+5
4n+3
4n+4
4n+5
4n+6
(p)
(p)
(p)
(p)
(p)
(p)
(p)
(p)
(p)
[Legend]
(p): Page access (only when page access is enabled with the PRENB and PWENB bits in CSiMOD)
16
23
24
31
0
7
8
15
0
7
0
7
0
7
0
7
8
15
0
7
8
15
0
7
8
15
0
7
8
15
0
7
16
23
24
31
8
15
0
7
16
23
24
31
8
15
0
7
16
23
24
31
8
15
0
7
D8
Second
Second
Third
Fourth
Second
Second
Second
Second
Third
Fourth
Second
Third
Fourth
First
Second
Third
Fourth
Bus Cycle
Unit of Data
Address
Figure 11.5 Data Alignment (Little Endian) in 8-Bit Bus Space
Summary of Contents for RX600 Series
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