Cirrus Logic CS48DV2B User Manual
Confidenti a l dra ft delphi, Cs48dv2b data sheet

Copyright 2009 Cirrus Logic
FEB ’09
CONFIDENTIAL
DS875F2
CS48DV2B Data Sheet
CONFIDENTI
A
L
DRA
FT
DELPHI
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
(I
2
S/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 low-
power mode, 268 µW in Standby mode
32-bit
DSP
D
M
A
P
X
Y
Serial
Control 1
Up to 2.1 Ch
Audio Out
GPIO
Debug
Watchdog
TMR1
TMR2
PLL
S/PDIF
2.0 Ch.
Audio In
The new CS48DV2B supports a host of signal processing
applications concurrently, including the mass production-ready
Dolby Volume solution. See
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
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
for ordering information.
Document Outline
- Features
- Contents
- 1. Documentation Strategy
- 2. Overview
- 3. Code Overlays
- 4. Hardware Functional Description
- 5. Characteristics and Specifications
- 5.1 Absolute Maximum Ratings
- 5.2 Recommended Operating Conditions
- 5.3 Digital DC Characteristics
- 5.4 Power Supply Characteristics
- 5.5 Thermal Data (48-Pin LQFP)
- 5.6 Switching Characteristics- RESET
- 5.7 Switching Characteristics - XTI
- 5.8 Switching Characteristics - Internal Clock
- 5.9 Switching Characteristics - Serial Control Port - SPI Slave Mode.
- 5.10 Switching Characteristics - Serial Control Port - SPI Master Mode
- 5.11 Switching Characteristics - Serial Control Port - I2C Slave Mode
- 5.12 Switching Characteristics - Serial Control Port - I2C Master Mode
- 5.13 Switching Characteristics - Digital Audio Slave Input Port
- 5.14 Switching Characteristics - DSD Slave Input Port
- 5.15 Switching Characteristics - Digital Audio Output Port
- 6. Ordering Information
- 7. Environmental, Manufacturing, & Handling Information
- 8. Device Pinout Diagrams
- 9. Revision History