Introduction to Real Time DSP

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Portable Applications Embedded signal and image processing tasks arebecoming more demanding Wireless communications (e.g., 3G, UWB): higher data rates,more complex systems and air interfaces Video processing (DTV, HDTV, Camcorders, 3DTV):compression, decompression, enhancement, superresolution,feature extraction Still image processing: cameras, copiers, printers, image-based rendering High performance is required: 100s to 1000s of GOP High efficiency: 100s of MOPS/mW (GOPS/mW), 10sGOPS/$ Programmability: multiple modes, evolving standards,evolving features24
What is Special about Signal Processing Applications? Large number of samples being continuouslyfed to the system (samples or blocks). Repetitive Operations: The same operation being applied to different setof samples Parallel processing Vector and Matrix Operations Real time operations25
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: Portable Applications - Need HighPe
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 and 36: Digital Signal Processor (DSP) - Ov
Page 37 and 38: Example: TI OMAP ChipIntegrates a T
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
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Introduction to Real Time DSP

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