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SMJ34020A_06 Datasheet, PDF (1/97 Pages) Texas Instruments – GRAPHICS SYSTEM PROCESSOR
D Class B High-Reliability Processing
D 1-µm CMOS Technology
D Military Operating Temperature Range
−55°C to 125°C
D SMJ34020A-32/ 40
125 / 100-ns Instruction Cycle Time
D Fully Programmable 32-Bit
General-Purpose Processor With
512-Megabyte Linear Address Range
(Bit Addressable)
D Second-Generation Graphics System
Processor
− Object-Code Compatible With the
SMJ34010
− Enhanced Instruction Set
− Optimized Graphics Instructions
− Coprocessor Interface
D Pixel Processing, XY Addressing, and
Window Checking Built Into the Instruction
Set
D Programmable 1-, 2-, 4-, 8-, 16-, or 32-Bit
Pixel Size With 16 Boolean and Six
Arithmetic Pixel Processing Options
(Raster Ops)
D 512-Byte LRU On-Chip Instruction Cache
D Optimized DRAM / VRAM Interface
− Page-Mode for Burst Memory Operations
− Dynamic Bus Sizing (16-Bit and
32-Bit Transfers)
− Byte-Oriented CAS Strobes
D Flexible Host Processor Interface
− Supports Host Transfers
− Direct Access to All of the SMJ34020A
Address Space
− Implicit Addressing
− Prefetch for Enhanced Read Access
D Programmable CRT Control
− Composite Sync Mode
− Separate Sync Mode
− Synchronization to External Sync
D Direct Support for Special Features of
1M VRAMs
− Load Write Mask
− Load Color Mask
− Block Write
− Write Using the Write Mask
SMJ34020A
GRAPHICS SYSTEM PROCESSOR
SGUS011D − APRIL 1991 − REVISED SEPTEMBER 2004
D Flexible Multi-Processor Interface
D Packaging Options
− 145-Pin Grid Array Ceramic Package
(GB Suffix)
− 132-Pin Ceramic Quad Flat Pack
(Unformed Lead) (HT Suffix)
145-PIN GRID ARRAY PACKAGE
( TOP VIEW )
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
A
B
C
D
E
F
G
H
J
K
L
M
N
P
R
132-PIN QUAD FLATPACK
( TOP VIEW )
1
99
33
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Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
Copyright  2004, Texas Instruments Incorporated
On products compliant to MILĆPRFĆ38535, all parameters are tested
unless otherwise noted. On all other products, production
processing does not necessarily include testing of all parameters.
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