Datasheet Texas Instruments SMJ320C50HFGM50

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  Improving 32-Channel DTMF Decoders in PBX Systems Using the TMS320C5x DSP
  PDF, 122 Kb, File published: Jun 1, 1996
  Using a DSP to perform multi-channel DTMF decoding can decrease PBX system cost while increasing system performance and flexibility. This document presents an improved technique for 32-channel DTMF decoding using the TMS320C5x 16-bit fixed-point DSP. The appendix contains the assembler source code for this application.
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  A PCMCIA TMS320 DSP MediaCard for Sound and Fax/Modem Applications
  PDF, 161 Kb, File published: Mar 1, 1995
  This document describes the system architecture of the TMS320 digital signal processor (DSP) PCMCIA media card and its operation. Operational examples are provided for setting up the DSP, for loading and executing single and multiple algorithms, and for resetting the DSP. An in-depth discussion of the common and attribute memory, bus arbitration, DSP/host communication and FPGA is provided.
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  Calculation Of TMS320C5x Power Dissipation
  PDF, 199 Kb, File published: Apr 1, 1993
  The power supply current requirements for the 16-bit fixed-point TMS320C5x digital signal processor (DSP) depend not only on the device functionality, but also on the system parameters. This document describes the techniques for analyzing the system and device operating current levels. Once these factors are determined the power dissipation can be calculated followed in turn by the device thermal
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  Telecommunications Applications With the TMS320C5x
  PDF, 1.6 Mb, File published: Mar 1, 1994
  This book provides an overview of the TMS320C5x 16-bit fixed-point digital signal processor (DSP) family and its use in telecommunication applications. Each section provides application specific information about the following topics: digital cell systems, speech synthesis, error-correction coding, base-band modulation and demodulation, equalization and channel estimation, speech and character rec
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  Use of the TMS320C5x Internal Oscillator With External Crystals or Resonators
  PDF, 169 Kb, File published: Jul 1, 1995
  The TMS320C5x high-speed 16-bit fixed-point DSP allows considerable flexibility to meet a wide range of clock requirements. This document provides information on crystal and ceramic resonators, their frequency characteristic, a background on oscillators, and the type of oscillator circuit to use on the TMS320C5x. Also included are design considerations for external components and solutions for com
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  Minimizing Quantization Effects Using the TMS320 DSP Family
  PDF, 268 Kb, File published: Jul 1, 1994
  Due to its discrete nature DSPs represent variables and performs arithmetic functions with a finite word length. This produces three effects: the selection of filter transfer functions is quantized with filter poles and zeros existing only at specific locations in the z plane; the input is quantized; and noise is introduced from DSP multiplication and division operations. This document shows how
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  Setting Up TMS320 DSP Interrupts in 'C'
  PDF, 168 Kb, File published: Nov 1, 1994
  Four steps are required to set the TMS320 DSP interrupts: create a interrupt service routine initialize the vector table and set the memory map enable the interrupts in the CPU and enable the interrupt sources. This document shows how to set the interrupts in C C callable assembly or in-line C. Sample C code segments are provided. The appendix gives complete examples for setting interrupt vec

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• Semiconductors > Processors > Digital Signal Processors > Other High Reliability DSPs