CS48500 View Datasheet(PDF) - Cirrus Logic
Part Name
Description
Manufacturer
CS48500 Datasheet PDF : 28 Pages
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CS48500 Data Sheet
FEATURES
Differentiating from the legacy Cirrus multi-standard, multi-
channel decoders, this new CS48500 family is still based on
Cost-effective, High-performance 32-bit DSP
the same high-performance 32-bit fixed point DSP Digital
— 300,000,000 MAC/S (multiply accumulates per second)
— Dual MAC cycles per clock
— 72-bit accumulators are the most accurate in the industry
Signal Processor core but instead is equipped with much less
memory, tailoring it for more cost-effective applications
associated with multi-channel and virtual-channel sound
enhancements. Target applications are:
— 24k x 32 SRAM, 2k blocks - assignable to data or program
— Digital Televisions
— Internal ROM contains a variety of configurable sound
enhancement feature sets
— Multimedia Peripherals
— 8-channel internal DMA
— iPod® Docking Stations
— Internal watch-dog DSP lock-up prevention
DSP Tool Set w/ Private Keys for Protecting Customer IP
T Configurable Serial Audio Inputs/Outputs
— Configurable for all input/output types
F — Maximum 32-bit @ 192 kHz
— Supports 32-bit audio sample I/O between DSP chips
— TDM input modes (multiple channels on same line)
A — 192 kHz SPDIF transmitter
w — Multi-channel DSD direct stream digital SACD input
R Supports Two Different Input Fs Sample Rates
— Output can be master or slave
D — Dual processing path capability
— Input supports dual domain slave clocking
— Hardware assist time sampling for sample rate conversion
L I Integrated Clock Manager/PLL
— Can operate from external crystal, external oscillator
IA Input Fs Auto Detection
H Host & Boot via Serial Interface
Configurable GPIOs and External Interrupt Input
T P 1.8V Core / 3.3V I/O that are +5V Tolerant
N L Low-power Mode
— "Energy-Star Ready" via low-power mode, 350uW in standby
— Automotive Head Units
— Automotive Outboard Amplifiers
— HD-DVD & Blu-ray Disc DVD Receivers
— PC Speakers
In these applications there are a wide variety of licensable DSP
IP codes available today from:
TM
®
Cirrus also has developed, or is developing their own royalty-
free versions of popular features sets like Cirrus Bass
Manager, Cirrus Dynamic Volume Leveler, Cirrus Original
Multichannel Surround, Cirrus Virtual Speaker & Cirrus 3D-
Audio.
The CS48500 is programmed using the Cirrus proprietary DSP
Composer™ GUI development tool. Processing chains may
be designed using a drag-and-drop interface to place/utilize
functional macro audio DSP primitives. The end result is a
software image that is down-loaded to the DSP via serial host
or serial boot modes.
Ordering Information:
See page 23 for ordering information
FIDE DE 12 Ch.Audio In/
6 Ch. SACD In
N S/PDIF
O 12 Ch PCM
CAudio Out
Serial
Control 1
GPIO
32-bit
DSP
D
M
A
PXY
Debug
Watchdog
TMR1
TMR2
PLL
Advance Product Information
This document contains information for a new product.
Cirrus Logic reserves the right to modify this product without notice.
http://www.cirrus.com
©Copyright 2006 Cirrus Logic, Inc.
CONFIDENTIAL
DEC ’06
DS734A3
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