HD6417034 Datasheet, PDF (684/691 Pages) Renesas Technology Corp – SuperH RISC ENGINE SH7032 AND SH7034

The following table shows the states of bus control pins and external bus pins in accesses of
various address spaces.
Table B.2 Pin States in Address Space Accesses
Pin Name
CS7–CS0
RAS
CASH
CASL
AH
RD
R
W
WRH/LBS R
W
WRL/WR R
W
A0/HBS
A21–A1
AD15–AD8
AD7–AD0
DPH
DPL
R: Read
W: Write
On-Chip Peripheral Modules
16-Bit Space
On-Chip
On-Chip 8-Bit
ROM Space RAM Space Space
Upper
Byte
Lower
Byte
Word
High
High
High
High
High
High
High
High
High
High
High
High
High
High
High
High
High
High
High
High
High
High
High
High
Low
Low
Low
Low
Low
Low
High
High
High
High
High
High
—
High
High
High
High
High
High
High
High
High
High
High
—
High
High
High
High
High
High
High
High
High
High
High
—
High
High
High
High
High
A0
A0
A0
A0
A0
A0
Address
Address
Address
Address Address Address
High-Z
High-Z
High-Z
High-Z High-Z High-Z
High-Z
High-Z
High-Z
High-Z High-Z High-Z
High-Z
High-Z
High-Z
High-Z High-Z High-Z
High-Z
High-Z
High-Z
High-Z High-Z High-Z
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