參數(shù)資料
型號(hào): TMS34020
廠商: Texas Instruments, Inc.
英文描述: GRAPHICS PROCESSORS
中文描述: 圖形處理器
文件頁數(shù): 28/82頁
文件大?。?/td> 1359K
代理商: TMS34020
TMS34020, TMS34020A
GRAPHICS PROCESSORS
SPVS004D – MARCH 1990 – REVISED NOVEMBER 1993
28
POST OFFICE BOX 1443
HOUSTON, TEXAS 77251–1443
Q4
Q1
Q2
Q3
Q4*
Q1
Q2
Q3
Q4*
Q1
Q2
Q3
Q4
Q1
Address
Row
Column
Address Subcycle
Data Transfer
Subcycle
Data Transfer
Subcycle
Data
Data Out
Standard Memory Write Cycle
Page-Mode Write
LCLCK1
LCLCK2
GI
LAD (TMS34020)
LAD (Memory)
CAMD
RCA
ALTCH
RAS
CAS
WE
TR/QE
SF
DDIN
DDOUT
LRDY
PGMD
SIZE16
BUSFLT
R0
R1
*See clock stretch, page 21.
Figure 5. Local Memory Read/Modify/Write Cycle Timing
The read/modify/write cycle is used when inserting a field into memory that crosses byte boundaries. This cycle
is actually performed as a read access followed by a page-mode write cycle.
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