
Cirrus Logic
The new CS48DV2B supports a host of signal processing applications concurrently, including the mass production-ready Dolby Volume solution. See Section 3. for details about firmware concurrency on the CS48DV2B. The target applications for the CS48DV2B DSP are:
— Digital Televisions
— Soundbars / DTVs with Integrated Soundbars
— PMD/iPod® Docking Stations
— Automotive Head Units
— Automotive Outboard Amplifiers
— Blu-ray Disc® & DVD Receivers / HTiBs
— PC Speakers
FEATURES
❐ World’s most cost-effective 32-bit DSP featuring Dolby® Volume and Audistry® by Dolby
— Supports native processing at input Fs up to 48kHz
— Single download image enables support for 32 KHz, 44.1 kHz, and 48 kHz audio input
❐ CS48DV2B supports up to 2.0 channels of audio input and up to 2.1 channels of output
❐ Enables concurrent processing features beyond Dolby Volume including Tone Control, Multiband Parametric EQ, Bass Management, Delays.
❐ Configurable Serial Audio Inputs/Outputs
— Configurable for all input/output digital audio types (I2S/LJ/RJ)
— 32-bit data path delivers uncompromised dynamic range
— 192 kHz capable integrated S/PDIF transmitter
— DAO can operate in master or slave mode (SCLK & LRCLK)
❐ Integrated Clock Manager/PLL
— Capable of operating from a wide variety of external crystals or external oscillators
❐ Slave Host Boot Capability via Serial Interface
— SPI™ interface capable of running up to 25 MHz during run time
❐ 1.8V Core and 3.3V I/O that is tolerant to 5V input
❐ Low-power Mode enabled
— Energy Star® Design Compliance Capability via lowpower mode, 268 µW in Standby mode