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| HD6417706 Datasheet, PDF (652/709 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer Super RISC engine Family/SH7700 Series | |||
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CKIO
CKE
Tp
Tpc
TRr
TRrw TRrw TRrw (Tpc) (Tpc)
tCSD3
(High)
tCSD3
RD/
tRASD
tRASD
tRASD
tRASD
tCASD
tCASD
tRWD
tRWD
Figure 24.37 Synchronous DRAM Auto-Refresh Timing (TRAS = 1, TPC = 1)
CKIO
CKE
Tp
Tpc
TRa1 (TRs2)
tCSD3
tCKED
tCSD3
(TRs2) TRs3 (Tpc) (Tpc)
tCKED
tRASD tRASD tRASD tRASD
tCASD tCASD
tRWD tRWD
RD/
tRWD
Figure 24.38 Synchronous DRAM Self-Refresh Cycle (TPC = 0)
Rev. 4.00, 03/04, page 606 of 660
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