HD6417034 Datasheet, PDF (685/691 Pages) Renesas Technology Corp – SuperH RISC ENGINE SH7032 AND SH7034

Table B.2 Pin States in Address Space Accesses (cont)
Address/Data Multiplex I/O Space
16-Bit Space
WRH, WRL, A0 System
WR, HBS, LBS System
Pin Name
8-Bit Upper
Space Byte
Lower
Byte
Word
Upper
Byte
Lower
Byte
Word
CS7, CS5–
CS0
High
High
High
High
High
High
High
CS6
Low
Low
Low
Low
Low
Low
Low
RAS
High
High
High
High
High
High
High
CASH
High
High
High
High
High
High
High
CASL
High
High
High
High
High
High
High
AH
AH
AH
AH
AH
AH
AH
AH
RD
R Low
Low
Low
Low
Low
Low
Low
W High
High
High
High
High
High
High
WRH/LBS R —*
High
High
High
High
Low
Low
W —*
Low
High
Low
High
Low
Low
WRL/WR R High
High
High
High
High
High
High
W Low
High
Low
Low
Low
Low
Low
A0/HBS
A0
Low
High
Low
Low
High
Low
A21–A1
Address Address Address Address Address Address Address
AD15–AD8
High-Z Address/ Address Address/ Address/ Address Address/
data
data
data
data
AD7–AD0
Address/ Address Address/ Address/ Address Address/ Address/
data
data
data
data
data
R: Read
W: Write
AH: When addresses are output from AD15–AD0, an address hold signal is output.
Note: * Cannot be used; available only for 16-bit space access.
649