Introduction to Real Time DSP

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Enhancing DSP Architectures More parallelism Increase the number of operations that canbe performed in each instruction Adding More Executing units (e.g., Multipliers) Increase the number of instructions thatcan be issued and executed in every cycle Highly specialized hardware in core Co-processors Multi-Core DSPs36
Example: TI OMAP ChipIntegrates a TMS320C55x DSP core with an ARM GPP on aSingle ChipTargeted for embedded applicationsARM interfacing peripherals:BluetoothIrDAKeypadTouch ScreenC55x to perform DSP algorithmsMobile MessagingHandwriting RecognitionDigital Cameras Image processingClick here to check cell phonesand PDAs using TI DSPs andOMAPOMAP 2 (released May 2005) Architecture includes a dedicatedImage and video accelerator3D graphics accelerator37
Page 3 and 4: What is Digital Signal Processing?D
Page 5 and 6: Typical ScenarioStep 1: Analog sens
Page 7 and 8: Real-Time Digital Signal Processing
Page 9 and 10: Why Go Digital? Programmability One
Page 11 and 12: DSP Applications - Image Processing
Page 13 and 14: DSP Targets: PagerControlled by Pow
Page 15 and 16: DSP Targets: Cell Phone15
Page 17 and 18: DSP Targets: PORTABLE MEDIA DEVICES
Page 19 and 20: DSP Market - Ranking2004 Revenue (i
Page 21 and 22: DSP Shipments - PredictionPROGRAMMA
Page 23 and 24: Portable Applications - Need HighPe
Page 25 and 26: What is Special about Signal Proces
Page 27 and 28: MAC using General Purpose Processor
Page 29 and 30: Multiplier Design Early Attempts AM
Page 31 and 32: GPP - Data Path OnlyMemory Data Bus
Page 33 and 34: Memory structures33
Page 35: Digital Signal Processor (DSP) - Ov
Page 39 and 40: Why Consider DSP Alternatives Wirel
Page 41 and 42: ASIC Uses hard-wired logic with var
Page 43 and 44: ASIC- Disadvantage Large developmen
Page 45 and 46: FPGA - Advantages More Flexible tha
Page 47 and 48: Why Still use DSP? Several applicat
Page 49 and 50: Types of DSP Low End Fixed Point TM
Page 51 and 52: Fixed Point Vs Floating PointFloati
Page 53 and 54: 56800 DSP Family, 16-bit Fixed Poin
Page 55 and 56: 56300 DSP Family, 24-bit Fixed Poin
Page 57 and 58: TI Family TreeRef: TI DSP Selection
Page 59 and 60: TMS320C28x DSP Generation, 16-bitF
Page 69 and 70: What Chip will be used? Freescale D
Page 71 and 72: Why use Assembly? Most C compilers
Page 73 and 74: How to Write a Better C Code Use Si
Page 75 and 76: DSP Algorithms Vs DSP Processors DS
Page 77 and 78: Evolution of DSP Processors Enhance
Page 79 and 80: VLIW - Simplified Architecture Exam
Page 81 and 82: DSP Processor Selection Criteria Wi

Introduction to Real Time DSP

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