參數(shù)資料
型號: SM34020AHTM32
廠商: TEXAS INSTRUMENTS INC
元件分類: 圖形處理器
英文描述: GRAPHICS PROCESSOR, CQFP132
封裝: CERAMIC, QFP-132
文件頁數(shù): 47/98頁
文件大?。?/td> 1546K
代理商: SM34020AHTM32
SMJ34020A
GRAPHICS SYSTEM PROCESSOR
SGUS011D -- APRIL 1991 -- REVISED SEPTEMBER 2004
51
POST OFFICE BOX 1443
HOUSTON, TEXAS 77251--1443
cycle timing examples (continued)
Q4 Q1 Q2 Q3
Q1 Q2 Q3 Q4 Q1
Row
Column
HOE
HDST
LAD
GI
CAMD
RCA
SF
ALACH
RAS
CAS
WE
TR/QE
DDIN
DDOUT
LRDY
SIZE16
PGMD
BUSERR
R0
R1
Previous Read
Valid
Local-Memory Host Read Cycle
HA/HBS
HCS
HREAD
HWRITE
HRDY
DATA
(out)
Q4
(see Note A)
See clock stretch, page 21.
NOTE A: HRDY goes high at the start of Q2; however, data is not strobed into
the external latches until the start of Q4 when HDST goes high.
Figure 27. Host-Read-Cycle Timing (Random/Same Accesses, not From SMJ34020A I/O Registers)
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