SH7080_09 Datasheet, PDF (1574/1622 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperH RISC engine Family

Appendix
Table C.1 Pin States of Bus Related Signals (5)
External Space (SRAM with Byte Selection)
32-bit Space
Pin Name
CS0 to CS8
CE1A, CE1B,
CE2A, CE2B
BS
RASU, RASL
CASU, CASL
Most
Significant Second
Byte
Byte
Enabled Enabled
H
H
Least
Significant Upper
Third Byte Byte
Word
Enabled Enabled Enabled
H
H
H
Lower
Word
Enabled
H
L
L
L
L
L
L
H
H
H
H
H
H
H
H
H
H
H
H
DQMUU
H
H
H
H
H
H
DQMUL
H
H
H
H
H
H
DQMLU
H
H
H
H
H
H
DQMLL
H
H
H
H
H
H
AH
L
L
L
L
L
L
FRAME
H
H
H
H
H
H
RDWR
RH
H
H
H
H
H
WL
L
L
L
L
L
RD
RL
L
L
L
L
L
WH
H
H
H
H
H
ICIORD
RH
H
H
H
H
H
WH
H
H
H
H
H
WRHH
RL
H
H
H
L
H
WL
H
H
H
L
H
WRHL
RH
L
H
H
L
H
WH
L
H
H
L
H
WRH
RH
H
L
H
H
L
WH
H
L
H
H
L
WRL
RH
H
H
L
H
L
WH
H
H
L
H
L
Longword
Enabled
H
L
H
H
H
H
H
H
L
H
H
L
L
H
H
H
L
L
L
L
L
L
L
L
Rev. 4.00 Dec. 15, 2009 Page 1514 of 1558
REJ09B0181-0400