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Note for Digital Signal Processing - DSP By Mallik Kgl

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Note for Digital Signal Processing - DSP By Mallik Kgl

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Lecture 10a: Digital Signal Processors: A TI Architectural History Collated by: Professor Kurt Keutzer Computer Science 252, Spring 2000 With contributions from: Dr. Brock Barton, Clark Hise TI; Dr. Surendar S. Magar, Berkeley Concept Research Corporation 1

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DSP ARCHITECTURE EVOLUTION Application Examples Multipliers (MUL) Multiprocessors (MP) Multi-Processing Video/Imaging W-CDMA Radars Digital Radios High-End Control DSP Building Blocks & Bit Slice Processors (MUL, etc.) DSP P and RISC ( MP ) Modems Voice Coding Instruments Low-End Modems Function/Application Specific ( MP) C and Analog P Industrial Control 1980 1985 1990 1995 2

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DSP ARCHITECTURE Enabling Technologies Approach Time Frame Primary Application Enabling Technologies • • Bipolar SSI, MSI FFT algorithm • • Single chip bipolar multiplier Flash A/D Early 1970’s • Discrete logic • Late 1970’s • Building block • • • Non-real time procesing Simulation Military radars Digital Comm. Early 1980’s • Single Chip DSP P • • Telecom Control • • P architectures NMOS/CMOS Late 1980’s • Function/Application specific chips • • Computers Communication • • Vector processing Parallel processing Early 1990’s • Multiprocessing • Video/Image Processing • • Late 1990’s • Single-chip multiprocessing • • Wireless telephony Internet related • • Advanced multiprocessing VLIW, MIMD, etc. Low power single-chip DSP Multiprocessing 3

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Texas Instruments TMS320 Family Multiple DSP P Generations First Sample Bit Size Clock speed (MHz) Instruction Throughput MAC execution (ns) MOPS Device density (# of transistors) Uniprocessor Based (Harvard Architecture) TMS32010 1982 16 integer 20 5 MIPS 400 5 58,000 (3) TMS320C25 1985 16 integer 40 10 MIPS 100 20 160,000 (2) TMS320C30 1988 32 flt.pt. 33 17 MIPS 60 33 695,000 (1) TMS320C50 1991 16 integer 57 29 MIPS 35 60 1,000,000 (0.5) TMS320C2XXX 1995 16 integer 40 MIPS 25 80 Multiprocessor Based TMS320C80 1996 32 integer/flt. MIMD TMS320C62XX 1997 16 integer 5 2 GOPS 120 MFLOP 20 GOPS TMS310C67XX 1997 32 flt. pt. 5 1 GFLOP VLIW 1600 MIPS VLIW 4

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