SMJ34020A_06 Datasheet, PDF (32/97 Pages) Texas Instruments – GRAPHICS SYSTEM PROCESSOR

SMJ34020A
GRAPHICS SYSTEM PROCESSOR
SGUS011D − APRIL 1991 − REVISED SEPTEMBER 2004
cycle timing examples (continued)
Refresh Status
CBR
Refresh End
Q4 Q1 Q2 Q3 Q4† Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1
LCLCK1
LCLCK2
GI
LAD
Refresh Pseudo-Address
CAMD
RCA
Refresh Psuedo-Address
ALTCH
RAS
CAS
WE
TR/ QE
SF
DDIN
DDOUT
LRDY
PGMD
SIZE16
BUSFLT
R0
R1
† _{See clock stretch, page 21.}
Figure 13. Refresh Cycle Timing
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