Figure 13.19(4) Dram Burst Bus Cycle, Ras Down Mode Continuation (Edo Mode, Rcd = 0, Anw = 0) - Hitachi SH7751 Hardware Manual

Superh risc engine
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Tnop
Tc1
Tc2
Tc1
Tc2
Tc1
Tc2
Tc1
Tc2
Tce
CKIO
c1
c2
c8
Address
RD/
End of RAS down mode
D31–D0
d1
d2
d8
(read)
DACKn
(SA: IO ← memory)
Note: For DACKn, an example is shown where CHCRn.AL (access level) = 0 for the DMAC.
Figure 13.19(4) DRAM Burst Bus Cycle, RAS Down Mode Continuation
(EDO Mode, RCD = 0, AnW = 0)
Rev. 3.0, 04/02, page 388 of 1064

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