Renesas SH7709S 用户手册
Rev. 5.00, 09/03, page 672 of 760
CKIO
BREQ
BACK
RD, RD/WR,
RAS, CAS,
CSn, WEn, BS,
A25 to A0,
D31 to D0
t
BACKD
t
BOFF2
t
BOFF1
t
BON1
t
BACKD
t
BON2
t
BREQH
t
BREQH
t
BREQS
t
BREQS
MCSn
Figure 23.14 Bus Release Timing
CKIO
t
STD
t
BOFF2
t
BOFF1
t
STD
t
BON2
t
BON1
Normal mode
Standby mode
Normal mode
STATUS 0
STATUS 1
RD, RD/WR,
RAS, CAS,
CSn, WEn,
BS, MCSn
A25 to A0,
D31 to D0
Figure 23.15 Pin Drive Timing at Standby