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| SH7708 Datasheet, PDF (491/633 Pages) Renesas Technology Corp – SuperH™ RISC engine | |||
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CKIO
A25âA16
A12 or A10
A15âA0
CSn
Tr
Trw
Trw
Tc1
(Trwl)
(Trwl)
(Tpc)
(Tpc)
tAD
Row address
tAD
tAD
Row
address
tAD
tAD
Row
address
tCSD1
tAD
tAD
tAD
Write A
command
tAD
tAD
Column
address
tCSD1
tRWD
tRWD
tRWD
RD/WR
tRASD2 tRASD2
RAS
CAS
tCASD2 tCASD2
tDQMD tDQMD
DQMxx
tWDD2 tWDH2
D3âD0
tBSD
tBSD
BS
CKE
(High)
Figure 16.39 Synchronous DRAM Write Bus Cycle (RCD = 2, TPC = 1, TRWL = 1)
473
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