CS48DV2B_09 Datasheet, PDF (1/26 Pages) Cirrus Logic – 32-bit Audio DSP for Dedicated Dolby Volume and Audistry by Dolby

CS48DV2B Data Sheet
FEATURES
The new CS48DV2B supports a host of signal processing
applications concurrently, including the mass production-ready
‰ World’s most cost-effective 32-bit DSP featuring Dolby^® Dolby Volume solution. See Section 3. for details about
Volume and Audistry^® by Dolby
firmware concurrency on the CS48DV2B. The target
— Supports native processing at input Fs up to 48kHz ^{applications for the CS48DV2B DSP are:}
— Single download image enables support for 32 KHz,
— Digital Televisions
44.1 kHz, and 48 kHz audio input
— Soundbars / DTVs with Integrated Soundbars
‰ CS48DV2B supports up to 2.0 channels of audio input
— PMD/iPod^® Docking Stations
and up to 2.1 channels of output
— Automotive Head Units
‰ Enables concurrent processing features beyond Dolby
Volume including Tone Control, Multiband Parametric EQ,
Bass Management, Delays.
T _{‰ Configurable Serial Audio Inputs/Outputs}
F — Configurable for all input/output digital audio types
(I²S/LJ/RJ)
— 32-bit data path delivers uncompromised dynamic
A _range
— 192 kHz capable integrated S/PDIF transmitter
R — DAO can operate in master or slave mode (SCLK &
LRCLK)
D ‰ Integrated Clock Manager/PLL
— Capable of operating from a wide variety of external
crystals or external oscillators
L I ‰ Slave Host Boot Capability via Serial Interface
— SPI^™ interface capable of running up to 25 MHz
IA ^{H during run time}
‰ 1.8V Core and 3.3V I/O that is tolerant to 5V input
T P ‰ Low-power Mode enabled
— Energy Star^® Design Compliance Capability via low-
N ^{L power mode, 268 µW in Standby mode}
— Automotive Outboard Amplifiers
— Blu-ray Disc^® & DVD Receivers / HTiBs
— PC Speakers
All of these applications and many more that use volume
control and are subject to playback from sources that do not
have consistent volume levels will benefit from the CS48DV2B
Dolby Volume solution.
Ordering Information:
See page 21 for ordering information.
IDE ^DE _2.0Ch.
F Audio In
N _S/PDIF
Up to 2.1 Ch
CO ^{Audio Out}
Serial
Control 1
GPIO
32-bit
DSP
D
M
A
PXY
Debug
Watchdog
TMR1
TMR2
PLL
http://www.cirrus.com
Copyright 2009 Cirrus Logic
CONFIDENTIAL
FEB ’09
DS875F2