HD64F7045F28V Datasheet, PDF (914/925 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperH RISC engine Family/SH7040 Series

Table C.6 Pin Settings for DRAM Space (cont)
32-Bit Space
Pin Name
MSB 2nd Byte 3rd Byte LSB
Upper
Word
Lower
Word
Longword
CS0–CS3
H
H
H
H
H
H
H
RAS^*1
Valid Valid
Valid
Valid Valid
Valid
Valid
CASHH^*2
Valid H
H
H
Valid
H
Valid
CASHL^*2
H
Valid
H
H
Valid
H
Valid
CASLH^*2
H
H
Valid
H
H
Valid
Valid
CASLL^*2
H
H
H
Valid H
Valid
Valid
RD/WR
R
H
H
H
H
H
H
H
WL
L
L
L
L
L
L
AH
L
L
L
L
L
L
L
RD
R
L
L
L
L
L
L
L
WH
H
H
H
H
H
H
WRHH
R
H
H
H
H
H
H
H
WL
H
H
H
L
H
L
WRHL
R
H
H
H
H
H
H
H
WH
L
H
H
L
H
L
WRH
R
H
H
H
H
H
H
H
WH
H
L
H
H
L
L
WRL
R
H
H
H
H
H
H
H
WH
H
H
L
H
L
L
A21–A0
Address Address Address Address Address Address Address
D31–D24
Data High-Z High-Z High-Z Data
High-Z Data
D23–D16
High-Z Data
High-Z High-Z Data
High-Z Data
D15–D8
High-Z High-Z Data
High-Z High-Z Data
Data
D7–D0
High-Z High-Z High-Z Data High-Z Data
Data
Notes: 1. R: Read, W: Write
2. Valid: Chip select signal corresponding with accessed area is low; chip select signal in
other cases is high.
*1 Asserted in RAS down mode or refresh mode.
*2 Asserted in refresh mode.
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