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Section 25 Electrical Characteristics
Rev. 4.00 Sep. 14, 2005 Page 952 of 982
REJ09B0023-0400
Tr
Tc
Tnop
Trw1
Tap
Tap
Tde
Td1
Tc
Tr
t
AD3
t
AD3
CKIO
A25 to A0
CSn
RD/
WR
A12/A11
*
1
D31 to D0
RASU/L
CASU/L
BS
CKE
DQMxx
DACKn,
TENDn
*
2
t
AD3
t
AD3
t
AD3
t
AD3
Row
address
Column
address
t
AD3
t
AD3
t
AD3
t
AD3
t
AD3
t
AD3
t
AD3
t
CSD2
t
RWD2
t
RWD2
t
RWD2
t
CASD2
t
CASD2
t
CASD2
t
CASD2
t
CASD2
t
RASD2
t
RASD2
t
RASD2
t
RASD2
t
BSD
t
BSD
t
BSD
t
BSD
t
DQMD2
t
DQMD2
t
DQMD2
t
DQMD2
t
RDS4
t
RDH4
t
WDD3
t
WDH3
t
CSD2
t
CSD2
t
CSD2
t
DACD
t
DACD
t
DACD
t
DACD
WriteA
Command
ReadA
Command
Row
address
Column
address
(High)
(High)
Note:
1. An address pin to be connected to pin A10 of SDRAM.
2. Waveform for
DACKn
and
TENDn
when active low is selected.
Figure 25.40 Synchronous DRAM Access Timing in Low-Frequency Mode
(Auto-Precharge, TRWL = 2 Cycles)
Summary of Contents for HD6417641
Page 2: ...Rev 4 00 Sep 14 2005 Page ii of l...
Page 7: ...Rev 4 00 Sep 14 2005 Page vii of l...
Page 11: ...Rev 4 00 Sep 14 2005 Page xi of l USB Universal serial bus WDT Watch dog timer...
Page 12: ...Rev 4 00 Sep 14 2005 Page xii of l...
Page 28: ...Rev 4 00 Sep 14 2005 Page xxviii of l...
Page 204: ...Section 4 Clock Pulse Generator CPG Rev 4 00 Sep 14 2005 Page 154 of 982 REJ09B0023 0400...
Page 212: ...Section 5 Watchdog Timer WDT Rev 4 00 Sep 14 2005 Page 162 of 982 REJ09B0023 0400...
Page 228: ...Section 6 Power Down Modes Rev 4 00 Sep 14 2005 Page 178 of 982 REJ09B0023 0400...
Page 246: ...Section 8 X Y Memory Rev 4 00 Sep 14 2005 Page 196 of 982 REJ09B0023 0400...
Page 318: ...Section 11 User Break Controller UBC Rev 4 00 Sep 14 2005 Page 268 of 982 REJ09B0023 0400...
Page 454: ...Section 12 Bus State Controller BSC Rev 4 00 Sep 14 2005 Page 404 of 982 REJ09B0023 0400...
Page 504: ...Section 14 U Memory Rev 4 00 Sep 14 2005 Page 454 of 982 REJ09B0023 0400...
Page 566: ...Section 17 Compare Match Timer CMT Rev 4 00 Sep 14 2005 Page 516 of 982 REJ09B0023 0400...
Page 868: ...Section 21 A D Converter Rev 4 00 Sep 14 2005 Page 818 of 982 REJ09B0023 0400...
Page 914: ...Section 23 I O Ports Rev 4 00 Sep 14 2005 Page 864 of 982 REJ09B0023 0400...
Page 956: ...Section 24 List of Registers Rev 4 00 Sep 14 2005 Page 906 of 982 REJ09B0023 0400...
Page 1016: ...Section 25 Electrical Characteristics Rev 4 00 Sep 14 2005 Page 966 of 982 REJ09B0023 0400...
Page 1024: ...Appendix Rev 4 00 Sep 14 2005 Page 974 of 982 REJ09B0023 0400...
Page 1032: ...Rev 4 00 Sep 14 2005 Page 982 of 982 REJ09B0023 0400 X X Y data addressing 52 X Y memory 193...
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Page 1036: ...SH7641 Hardware Manual...