surveyofdigitalsignalprocessors(已修改)
2025-10-23 14:57 本頁(yè)面
【正文】 Survey of Digital Signal Processors Michael Warner ECD: VLSI Communication Systems Agenda ? Industry Trends ? DSP Architecture ? DSP MicroArchitecture ? DSP Systems Agenda ? Industry Trends ? DSP Architecture ? DSP MicroArchitecture ? DSP Systems Moore’s Law Drives Processor Development 4004 8080 8086 80286 386? 486? Pentium174。 Pentium174。 II Pentium174。 III Pentium174。 4 Itanium174。 Transistors per Die 108 107 106 105 104 103 102 101 100 109 1010 8008 Itanium174。 2 1965 Data (Moore) Microprocessor ‘60 ‘65 ‘70 ‘75 ‘80 ‘85 ‘90 ‘95 ‘00 ‘05 ‘10 Source: Intel internal Doubling the number of transistors every 1824 at same price point drives significant product opportunities …especially if you have little regard for power But what if energydelay had to be reduced every generation by an order of magnitude? Gene’s Law Drives DSP Development Gene’s Law DSP Power 1,000 100 10 1 mW/MIPS 1982 1984 1986 1988 1990 1992 1994 1996 1998 2020 2020 2020 2020 2020 Year Gene’s Law will have it’s challenges to hold the line! Digital Audio ?MP3 ?Real Audio Streaming Video ?MPEG 4 ? Connectivity ?Inter ?Bluetooth Modem Standards TXN 160 + 4 UPX 12 3/4 ?UMTS ?GMS Buy Now? Yes No What’s Driving Gene’s Law? DSP Design Constraints Technology (uM) Transistors MIPS RAM (bytes) Power (mW/MIPS) Price/MIPS 3 50K 5 256 250 $ 1982 500K 40 2K $ 1992 180M 5,000 3M $ 2020 DEVICE CAPABILITIES Agenda ? Industry Trends ? DSP Architecture ? DSP MicroArchitecture ? DSP Systems
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