
765
CK
A21–A0
Tp
Tr
Tc1
Tcw1
Tcw2
Tcwo
Tc2
t
AD
t
AD
t
ASR
t
RAH
t
RASD1
t
RP
t
CASD1
t
CAC
t
AA
t
RAC
t
RDH
t
CASD2
t
RWD2
t
CASD1
t
WDH
t
DH
t
DS
t
RWD1
t
WDD
t
WTS
t
WTH
t
WTS
t
WTH
t
DACKD1
t
RSD2
t
WSD2
t
WSD1
t
RSD1
t
RASD2
t
DACKD1
t
CASD2
t
RDS
RAS
CASxx
RDWR
D31–D0
CASxx
RDWR
D31–D0
DACKn
RD
WRxx
WAIT
(During read)
(During read)
(During read)
(During read)
(During write)
(During write)
(During write)
(During write)
Row address
Column address
Note: t
RDH
is specified from fastest negate timing of A21–A0,
RAS
, and
CAS
.
Figure 25.15 DRAM Cycle (Normal Mode, 2 Waits + Wait due to
WAIT
Signal)
Summary of Contents for SH7041 Series
Page 2: ......
Page 6: ......
Page 38: ...xvi ...
Page 44: ...6 ...
Page 46: ...8 ...
Page 48: ...10 ...
Page 82: ...44 ...
Page 114: ...76 ...
Page 118: ...80 ...
Page 124: ...86 ...
Page 170: ...132 ...
Page 250: ...212 ...
Page 492: ...454 ...
Page 506: ...468 ...
Page 604: ...566 ...
Page 684: ...646 ...
Page 706: ...668 ...
Page 778: ...740 ...
Page 780: ...742 ...
Page 818: ...780 ...
Page 850: ...812 ...
Page 923: ...SH7040 SH7041 SH7042 SH7043 SH7044 SH7045 Group Hardware Manual REJ09B0044 0600O ...