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CS493112-CL Datasheet

  • CS493112-CL

  • Multi-Standard Audio Decoder Family

  • 1338.66KB

  • CIRRUS

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CS49300 Family DSP
2.
FAMILY OVERVIEW
The CS49300 family contains system on a chip
solutions for multichannel audio decompression
and digital signal processing. The CS49300 family
is split into 4 sub-families targeted at the DVD,
broadcast and audio/video receiver (AVR), and
effects and post processing markets.
This document focuses on the electrical features
and characteristics of these parts. Different features
are described from a hardware design perspective.
It should be understood that not all of the features
portrayed in this document are supported by all of
the versions of application code available. The
application code user鈥檚 guides should be consulted
to confirm which hardware features are supported
by the software.
The parts use a combination of internal ROM and
RAM. Depending on the application being used, a
download of application software may be required
each time the part is powered up. This document
uses 鈥渄ownload鈥?and 鈥渃ode load鈥?interchangeably.
These terms should be interpreted as meaning the
transfer of application code into the internal
memory of the part from either an external
microcontroller or through the autoboot procedure.
Dolby Digital
鈩?/div>
(AC-3
鈩?/div>
) with
Dolby Pro Logic
鈩?/div>
鈥?Dolby Digital
鈩?/div>
with Dolby Pro Logic
鈩?/div>
plus
Cirrus Extra Surround
鈩?/div>
鈥?Dolby Digital
鈩?/div>
with Dolby Pro Logic II
鈩?/div>
鈥?Dolby Digital
鈩?/div>
with Dolby Pro Logic II
鈩?/div>
plus
Cirrus Extra Surround
鈩?/div>
鈥?Virtual Dolby Digital
鈩?/div>
鈥?MPEG-2, Advanced Audio Coding Algorithm
(AAC)
鈥?MPEG Multichannel
鈥?MPEG Multichannel with Dolby Pro Logic II
鈩?/div>
鈥?MPEG Multichannel plus Cirrus Extra
Surround
鈩?/div>
鈥?MPEG-1, Layer 3 (MP3)
鈥?DTS Digital Surround
鈩?/div>
鈥?DTS Digital Surround
鈩?/div>
with
Dolby Pro Logic II
鈩?/div>
鈥?DTS Digital Surround
鈩?/div>
plus Cirrus Extra
Surround
鈩?/div>
鈥?DTS-ES Extended Surround
鈩?/div>
(DTS-ES
Discrete 6.1 & Matrix 6.1)
鈥?DTS Neo:6
鈩?/div>
鈥?LOGIC5
庐
(5.1 Channel, Max Fs=48kHz and
LOGIC7
庐
(7.1 Channel, Max Fs=96kHz)
鈥?VMAx VirtualTheater
庐
(Virtual Dolby Digital)
鈥?SRS TruSurround
鈩?/div>
(Virtual Dolby Digital and
DTS Virtual 5.1
鈩?/div>
Versions)
鈥?SRS Circle Surround
鈩?/div>
I/II
鈥?HDCD
庐
鈥?Cirrus P.D.F. (Dolby Pro Logic 2Fs Decoder
and PCM Upsampler)
鈥?Cirrus PL2_2FS (Dolby Pro Logic II 2Fs
Decoder and PCM Upsampler)
Please refer to the CS4932x/CS49330 Part Matrix
vs. Code Matrix (PDF) document available from
the CS49300 Web Site Page for the latest listing of
audio decoding/processing algorithms. The part
鈥?/div>
21
2.1. Multichannel Decoder Family of Parts
CS49300 - DVD Audio Decoder.
The CS49300
device is targeted at audio decoding in the DVD via
ES or PES in a serial or parallel bursty fashion for
MLP or for DVD Audio Pack Layer Support. (All
the other decoding/processing algorithms listed
below require delivery of PCM or IEC61937-
packed compressed data via I
2
S or LJ formatted
digital audio to the CS49300). Specifically the
CS49300 will support all of the following
decoding/processing standards:
鈥?/div>
鈥?/div>
Meridian Lossless Packing
鈩?/div>
(MLP
鈩?/div>
)* (for ES
and PES data delivery only)
DVD Audio Pack Layer Support* (for ES and
PES data delivery only)
DS339PP4

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