SH7706 Datasheet, PDF (693/749 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperH™ RISC engine Family/SH7700 Series

Section 24 Electrical Characteristics
Tp
Tpc
TRr
TRrw TRrw TRrw (Tpc) (Tpc)
CKIO
CKE
CSn
RAS
CAS
RD/WR
t_CSD3
(High)
t_CSD3
t_RASD
t_RASD
t_RASD
t_RASD
t_CASD
t_CASD
t_RWD
t_RWD
Figure 24.37 Synchronous DRAM Auto-Refresh Timing (TRAS = 1, TPC = 1)
CKIO
CKE
CSn
RAS
CAS
RD/WR
Tp
Tpc
TRa1 (TRs2)
t_CKED
t_CSD3
t_CSD3
t_RASD t_RASD t_RASD t_RASD
t_CASD t_CASD
t_RWD t_RWD
t_RWD
(TRs2) TRs3 (Tpc) (Tpc)
t_CKED
Figure 24.38 Synchronous DRAM Self-Refresh Cycle (TPC = 0)
Rev. 5.00 May 29, 2006 page 645 of 698
REJ09B0146-0500