SMJ34020A_06 Datasheet, PDF (86/97 Pages) Texas Instruments – GRAPHICS SYSTEM PROCESSOR

SMJ34020A
GRAPHICS SYSTEM PROCESSOR
SGUS011D − APRIL 1991 − REVISED SEPTEMBER 2004
CBR refresh: RAS and CAS0−CAS3 (continued)
LCLK1
Q1 Q2 Q3 Q4† Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1
LCLK2
RAS
CAS
ALTCH
(see Note A)
LAD
(see Note A)
78
104
76
103
77
79
102
Refresh Pseudo-Address
RCA
(see Note A)
Refresh Pseudo-Address
DDOUT
(see Note A)
† _{See clock stretch, page 21.}
NOTE A: ALTCH, LAD, RCA, and DDOUT are shown for reference only.
Figure 50. CBR Refresh: RAS and CAS0 −CAS3
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