SH7751 Datasheet, PDF (1132/1224 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer

23. Electrical Characteristics
CKIO
Bank
TRs1
TRs2
TRs3
TRs4
t_AD
Precharge-sel
TRs5
Trc
Trc
Trc
t_AD
Address
CSn
RD/WR
RAS
CASS
DQMn
t_CSD
t_CSD
t_CSD
t_RWD
t_RASD ^tRASD
t_RASD
t_CASD2
t_CASD2
t_CASD2
t_DQMD
t_RWD
t_CASD2
t_CSD
t_RASD
t_DQMD
D31–D0
(write)
BS
CKE
DACKn
t_WDD
t_CKED
t_DACD
t_WDD
t_BSD
t_CKED
t_DACD
Legend:
IO: DACK device
SA: Single address DMA transfer
DA: Dual address DMA transfer
DACK set to active-high
Figure 23.33 Synchronous DRAM Bus Cycle: Self-Refresh (TRC [2:0] = 001)
Rev.4.00 Oct. 10, 2008 Page 1034 of 1122
REJ09B0370-0400