Introduction to Real Time DSP

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MAC using DSP11123 11 R2123X 24Clr A ;Clear Accumulator ARep N ; Rep N times the next instructionMAC *(R0)+, *(R1)+, A ; Fetch the two memory locations pointed by R0 and R1,multiply them together and add the result to A, the final resultis stored back in AMov A, *R2 ; Move result to memory9∑ 4428
Multiplier Design Early Attempts AMI released S2811 in 1978 Math coprocessor Never used in end product Problem in fabrication technology Intel released 2920 in 1979 ADC and DAC embedded Harvard Architecture Available Direct Addressing Only No multiplier In early 1980s, single chip DSP with goodperformance started to appear (with MAC),and ever since multiplication times decreased. First commercially successful DSP “DSP1” in1980 from AT&T Bell Laboratories- Usedmainly of in-house designs. TI first commercially successful DSPTMS32010 operating at 5 Mhz (200ns) in1982. Sold for $120 per 100 piecesRef: http://lsiwww.epfl.ch/LSI2001/teaching/webcourse/ch12/DSParch.htm29
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: MAC using General Purpose Processor
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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