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CS49330

ApplicationA Broadcast Application implies that data is either an Elementary Stream (ES) or Packetized Elementary Stream (PES) format. Data delivery is either:·0 Serial Bursty (Configure INPUTA3 and send data to the CDI port while monitoring CMPREQ throttle lineto make sure that Input FIFO is not ...

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CS49330: ApplicationA Broadcast Application implies that data is either an Elementary Stream (ES) or Packetized Elementary Stream (PES) format. Data delivery is either:·0 Serial Bursty (Configure INPUTA3 and...

CS49330 Data Sheet

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Part Number:
CS49330
Supply Ability:
5000

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Application

A Broadcast Application implies that data is either an Elementary Stream  (ES)  or Packetized Elementary Stream (PES) format. Data delivery is either:

·0 Serial Bursty (Configure INPUTA3 and send data  to  the  CDI  port  while  monitoring CMPREQ throttle line 
   to make sure that Input FIFO is not over/under-flowed.
· Parallel Bursty (Configure  for INPUTA7 or INPUTA8 and send data to the parallel port in Motorola or Intel format).
·"PES over  I2S" (Typically, data  can  not be delivered via an I2S or Left-Justified input, for any standard
    release  broadcast-based application code, with the exception of AC3N, which accepts "PES over I2S"
    which  follows a proprietary patent-pending packing technique developed by Cirrus Logic, Inc. This technique
    allows for the DSP to perform the Audio/Video Synchronization in the system. Most  standard release
    application  codes listed in this document can be modified accept “PES  over  I2S” upon request in addition
    to the signing of a CWLA.) If compressed data is delivered to the DSP (via I2S or LJ) according to the
    IEC61937  specification, this would  actually no longer be considered a "broadcast-based"  application (with
    the exception of the AAST and AACT codes), regardless of the final product’s intended purpose. If  th
    e data  delivery  is IEC61937-packed AC-3, MPEG  Multichannel,  MP3  or  AAC,  the  designer should then refer
    to the"“CS4932X/CS49330, Part Matrix vs. Code Matrix  for AVR/Outboard Decoder-based Applicona"s”
   as this  would now be considered an AVR-based application in regards to the data delivery. This document
    is  available from the Cirrus Logic website on the CS49300 Page. All Broadcast-based applications follow
   these rules (except where noted):

   Expected CLKIN = 27 MHz (Oscillator Value).

   DSPCLK = Refer to AN162 (Sampling Frequency and Application Code Dependent).

  Standard Hardware Configuration: OUTPUTA2 (DSP Masters MCLK, SCLK and LRCLK).

  Refer to  AN162 and its appendices  for  how to control Broadcast-based Standard Release Application Codes
  that run on the CS4931X and/or CS49330.


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