SH7751 Datasheet, PDF (1130/1224 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer

23. Electrical Characteristics
CKIO
Bank
Tpr
Tpc
t_AD
t_AD
Row
Precharge-sel
H/L
Address
CSn
RD/WR
RAS
CASS
DQMn
D31–D0
(write)
BS
CKE
DACKn
t_CSD
t_CSD
t_RWD t_RWD
t_RASD t_RASD
t_CASD2
t_CASD2
t_DQMD
t_DQMD
t_WDD
t_WDD
t_BSD
t_DACD
t_DACD
Legend:
IO: DACK device
SA: Single address DMA transfer
DA: Dual address DMA transfer
DACK set to active-high
Figure 23.31 Synchronous DRAM Bus Cycle: Precharge Command (TPC [2:0] = 001)
Rev.4.00 Oct. 10, 2008 Page 1032 of 1122
REJ09B0370-0400