32-bit Audio Decoder DSP Family with Dual DSP Engine Technology

The CS4953xx DSP family are the enhanced versions of the CS495xx DSP family with higher overall performance and lower system cost. The CS4953xx includes all mainstream audio processing codes in on-chip ROM. This saves external memory for code storage. In addition, the intensive decoding tasks of Dolby Digital® Surround EX®, AAC multi-channel, DTS-ES 96/24, THX Ultra2 Cinema and Dolby Headphone can be accomplished without the expense of external SDRAM memory

FEATURES
❐ Multi-standard 32-bit Audio Decoding plus Post Processing
❐ Framework™ Applications Library in ROM
    — Dolby Digital® EX, Dolby® Pro Logic® IIx, Dolby Headphone®, Dolby® Virtual Speaker®
    — DTS-ES 96/24™, DTS-ES™ Discrete 6.1, DTS-ES™ Matrix 6.1, DTS:Neo6™
    — AAC™ Multichannel 5.1
    — SRS® CS2® and TSXT®
    — THX® Ultra2™, THX® ReEQ™
    — Cirrus Original Multi-Channel Surround (COMS)
    — Crossbar Mixer, Signal Generator
    — Advanced Post-Processor including: 7.1Bass Manager, Tone Control, 12- Band Parametric EQ, Delay, 1:2 Upsampler
    — Microsoft® HDCD®
❐ Framework™ Applications for Download
    — Thomson MP3 Surround
    — Internal DSD-to-PCM Conversion
❐ Up to 12 Channels of 32-bit Serial Audio Input
❐ 6 Channel DSD Input
❐ 16 Ch x 32-bit PCM Out with either two 192 kHz S/PDIF Tx (144-pin package) or one 192 kHz S/PDIF Tx (128-pin package)
❐ Two SPI™/I2C®, one Parallel and one UART Port
❐ Customer Software Security Keys
❐ Large On-chip X, Y, and Program RAM & ROM
❐ SDRAM and Serial Flash Memory Support