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| SH7708 Datasheet, PDF (538/625 Pages) Renesas Technology Corp – SuperH™ RISC engine | |||
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CKIO
A25âA16
A12
or A10
A15âA0
CSn
RD/WR
RAS
CAS
DQMxx
D31âD0
BS
CKE
Tr
Trw
Trw
Tc1
Tcw
Td1
(Tpc) (Tpc)
tAD
Row address
tAD
Row address
tAD
Row address
tCSD1
tRWD
tRASD2 tRASD2
tDQMD
tAD
,,, tAD
tAD
Read A
command
tAD
tAD
Column address
tCSD1
tRWD
tCASD2 tCASD2
tDQMD
tRDS2 tRDH2
tBSD
tBSD
(High)
Figure 17.35 Synchronous DRAM Read Bus Cycle (RCD = 2, CAS Latency = 2, TPC =
1)
524
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