SH7065 Datasheet, PDF (882/941 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperH RISC engine Family/SH7000 Series

Appendix B Pin States
Pin
CS0–CS3
CS4, CS5
RAS0, RAS1^*1
CASHH0, CASHH1^*2
CASHL0, CASHL1^*2
CASLH0, CASLH1^*2
CASLL0, CASLL1^*2
OE0, OE1
RDWR
R
W
AH
BS
RD
R
W
WR
R
W
WRHH
R
W
WRHL
R
W
WRLH
R
W
WRLL
R
W
HHBS
R
W
HLBS
R
W
LHBS
R
W
LLBS
R
W
A25–A0
D31–D24
D23–D16
D15–D8
D7–D0
Legend:
R: Read
W: Write
Big-Endian
Upper Byte
Lower Byte
H
Enabled^*4
Enabled^*7
Enabled^*7
Enabled^*7
H
H
Enabled^*8
H
Enabled^*4
Enabled^*7
H
H
Enabled^*7
Enabled^*7
Enabled^*8
H
H
L
L
L
Enabled^*5
L
Enabled^*5
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
Address
Address
Data
Hi-Z
Data
Hi-Z
Hi-Z
Data
Hi-Z
Data
DRAM Space
32-Bit Space
Little-Endian
Upper Byte
Lower Byte
H
Enabled^*4
Enabled^*7
H
H
Enabled^*7
Enabled^*7
Enabled^*8
H
Enabled^*4
Enabled^*7
Enabled^*7
Enabled^*7
H
H
Enabled^*8
H
H
L
L
L
Enabled^*5
L
Enabled^*5
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
Address
Address
Hi-Z
Data
Hi-Z
Data
Data
Hi-Z
Data
Hi-Z
Notes: 1. Asserted low in RAS down or refresh state.
2. Asserted low in refresh state.
3. Previously accessed external space address value is retained.
Rev. 5.00 Sep 11, 2006 page 860 of 916
REJ09B0332-0500
Longword
H
Enabled^*4
Enabled^*7
Enabled^*7
Enabled^*7
Enabled^*7
Enabled^*7
Enabled^*8
H
L
L
Enabled^*5
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
Address
Data
Data
Data
Data