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): 61/98頁
文件大?。?/td> 1546K
代理商: SM34020AHTM32
SMJ34020A
GRAPHICS SYSTEM PROCESSOR
SGUS011D -- APRIL 1991 -- REVISED SEPTEMBER 2004
64
POST OFFICE BOX 1443
HOUSTON, TEXAS 77251--1443
cycle timing examples (continued)
GI
ALTCH
(see Note B)
RAS
WE
Q4
Q1
Q2
Q3
Q4
Q1
Q2
Q3
Q4
Q1
R1
LAD
Command
CAMD
CAS
TR/QE
SF
DDIN
DDOUT
R0
PGMD
(see Note B)
SIZE16
(see Note C)
LRDY
BUSFLT
RCA
LCLK1
LCLK2
(TMS34020A)
Command Cycle
(see Note A)
NOTES: A. LAD (SMJ34020A): Output to LAD by the SMJ34020A
LAD command:
Coprocessor ID, instruction and status
code present on LAD
B. Although the coprocessor internal command never requires the
use of page mode cycles, PGMD should be held at a valid level
during the start of Q2 after ALTCH has gone low.
C. All coprocessor cycles are implemented as 32-bit operations;
therefore, SIZE16 should be high during these cycles.
Figure 36. Coprocessor-Internal Operation Command Cycle
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