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| SH7708 Datasheet, PDF (551/633 Pages) Renesas Technology Corp – SuperH™ RISC engine | |||
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Tr
Trw
Trw
Tc1
(Trwl)
(Trwl)
(Tpc)
(Tpc)
CKIO
tAD
tAD
A25âA16
A12 or A10
A15âA0
Row address
tAD
tAD
Row
address
,,, tAD
tAD
Row
,,, address
tAD
tAD
Write A
command
tAD
tAD
Column
address
tCSD1
tCSD1
CSn
tRWD
tRWD
tRWD
RD/WR
tRASD2 tRASD2
RAS
tCASD2 tCASD2
CAS
,,,,,,,, DQMxx
tDQMD tDQMD
tWDD2 tWDH2
D3âD0
tBSD
tBSD
BS
CKE
(High)
Figure 17.39 Synchronous DRAM Write Bus Cycle (RCD = 2, TPC = 1, TRWL = 1)
533
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