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CLK
A — A
15
MREQ
WR
D — D
7
WAIT
,QSXW RU 2XWSXW &\FOHV
80
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VHPLFRQGXFWRU PHPRU\ W\SH LV PHW
Memory Read Cycle
Memory Address
0
RD
0
)LJXUH  0HPRU\ 5HDG RU :ULWH &\FOH
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DQG DFWLYDWH WKH :$,7 OLQH LI D ZDLW LV UHTXLUHG $OVR ZLWKRXW WKLV ZDLW
VWDWH LW LV GLIILFXOW WR GHVLJQ 026 ,2 GHYLFHV WKDW FDQ RSHUDWH DW IXOO &38
VSHHG 'XULQJ WKLV ZDLW VWDWH WLPH WKH :$,7 UHTXHVW VLJQDO LV VDPSOHG
T T
2 3
In
Memory Write Cycle
T T
1 2
Memory Address
Data Out
T
3
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