Corporate

Overview

Cirrus is a leader in audio, video, and precision mixed-signal ICs for

consumer entertainment, automotive, and industrial applications

Premier Silicon for Digital Entertainment Electronics!

Entertainment Processors™ Plus Mixed-Signal Expertise Drive Cirrus Total-E™ Solutions

Mixed-Signal ICsADC, DAC , Interface and CODEC for Consumer, Industrial,

and Automotive Applications

VideoEntertainment Processor™

Total-E™ for DVD Player, DVD Recorder,

PVR

AudioEntertainment Processor™

Total-E™ for Home, Portable and Automotive

Only Cirrus Offers the Total System Solution

Remote Control

Mic in

Inputs Outputs

Audio & Video

AudioProcessor

VideoProcessor

AudioConverter

Video Converter

Typical Consumer Application Example

DigitalAmplifiers

Digital Signal Out

Digital Signal in

AudioConverter

Only Cirrus Controls the Total System Performance

Mixed-Signal Audio Video+ =+

VideoConverter

Historic Overview- Cirrus Logic

� Founded in 1984 in Silicon Valley; went public in 1989� Key products were read channels for disk drives, graphics and data

communications products� Acquired Crystal Semiconductor in 1991

� Founded in 1984 in Austin, strong mixed-signal technology and precision data acquisition devices

� New focus on consumer entertainment since 1998� New direction away from the commodity PC Industry to the high

growth digital consumer audio and video applications � Strengthened consumer focus with 4 acquisitions in

2001� Peak Audio (Commercial Audio), ShareWave (WLAN), LuxSonor (DVD

Player), Stream Machine (Video Recording)

Our Market Leadership Position

� Digital Audio Leadership � Dominant supplier of digital home audio solutions � Leading supplier of digital portable players� Emerging leader in audio and video convergence products

� Emerging Video Recording Leadership� More than 2 million DVD players shipped in our first year� First with mass market priced DVD recorder solution

� High Performance Mixed-Signal Leadership� Largest supplier of digital audio ICs*� Shipped over 120 million converters in 2002

Source: Forward Concepts

Cirrus Customers Represent the World’s Best Consumer Brands

VideoAudio

Mixed-Signal

Cirrus Leads in Mixed-Signal Technologies – Enabling Today’s New Home and Automotive Entertainment

Products and High-Precision Industrial Measurement

Mixed-Signal ICsADC, DAC, Interface and CODEC for Consumer, Industrial,

and Automotive Applications

Mixed-Signal Is the Foundation of Cirrus Digital Entertainment Solutions

� Leadership technology portfolio� Video DAC� Audio ADC, DAC, CODECs � S/PDIF receivers � Digital amplifiers � High performance industrial ADC� High precision OP-Amp � Over 900 patents - 125 focused on

Mixed-Signal

� Mixed-signal leadership in digital consumer applications

Mixed-Signal TechnologyFoundation

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Cirrus Total-ETM Technology Platform

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Cirrus’ Mixed-Signal Innovations� 1st Stereo DAC in an 8-pin SOIC package (98db, 96kHz)� 1st 96kHz Digital audio transmitter and receiver� 1st 120db 96kHz audio A/D converter� 1st PCM/DSD DAC (DVD Audio and SACD capable)� Highest performance multi-channel DAC� Highest performance stereo DAC� Highest performance PCM/DSD DAC� Most integrated portable DAC� Most integrated portable CODEC� Shipped 200 millionth audio DAC since 1998

New CS425xx Family DVD Audio Ready CODECs Integrates 6 Chips Into 1

� Enables 2 chip solution for AVR and car AV� All non-DSP functionality on

one chip!� Perfect match for Cirrus

audio DSP products

� Highly integrated, cost-effective scalable solution� 192kHz S/PDIF receiver� 192kHz stereo A/D converter� 6 or 8 192kHz D/A converter

Total High-Precision Industrial Solution

SensorInputs

Outputs & Connectivity

ARMProcessor

Digital to Analog

Converter

Typical Industrial Application Example

Op-AMPAnalog to

Digital Converter

Analog to Digital

ConverterOp-AMP

Ethernet

ConvertersOP-Amp Connectivity++ ARM +

Cirrus High-Precision Industrial Product Offerings

� ARM920T processor� 200MHz core, 16K-I 16K-D� MaverickCrunch™

� High I/O integration � 3 Port USB host� 1/10/100 Enet MAC� 3 UARTs� PCMCIA� I2S, SPI, AC’97� EIDE interface� Memory interface controller

� SDRAM, ROM, Flash, SRAM� LCD, touch screen, and keypad

controllers

� Timers, flexible interrupts, and GPIOs

New Cirrus ARM9 Processor

16KB DCache

16KB I Cache

CrunchTM Engine

M M U

ARM920T

Touch Screen &Keypad

Interface

Clocks and

Timers

12 ch.DMA

UnifiedSDRAM

I/F

SRAM &Flash

I/F

3 PortUSB Host

EIDEI/F

I2SSPI

Maverick LockTM

Boot ROM

Memory & Storage

Serial Ports

User Interface

UARTs (3) w/

Bus Bridge

Interruptsand

GPIO

EthernetMAC

LCD I/F

PCMCIA

New CS3001 – Ultra Low Noise, Low Drift Operational Amplifiers for

Industrial Measurement � Industry first - low noise &

drift amplifier� Low offset: 10 mV� Low drift: 50 nV/°°°°C� High open-loop gain: 200 dB min � Low noise 6 nV/rt.Hz@0.5 Hz� Industrial temp (-40ºC to +85ºC)

� Proprietary MultipathTM

amplifier technology� 10x better system noise� 4x better system drift than

competition

Source: published product sheets and CRUS

From High-End Audio Quality to Compressed Audio – Cirrus is the Worldwide

Leader in Digital Audio Solutions

AudioEntertainment Processor™

Total-E™ for Home, Portable and Automotive

Audio

Cirrus Audio Solutions

Home Audio

A/V Receiver DVD Receiver

Portable Audio

Personal MP3/WMA Players Multi-Channel Digital Audio Solutions

Automotive Audio

Home Audio driven byDigital Multi-Channel Surround-Sound

• High availability of digital multi-channel content DVD• Advanced algorithms turn any content into digital multi-channel

Stereo Content

Multi channel Content

Any other Audio Source

MixingStereo

into Multi-Channel Output

Decoding Digital

Content into Multi-Channel Output

Cirrus DSP Positioning in AVRs

•AC3/DTS/PLII•5.1/6.1•5ch x 100W

CS493xx

•AC3/DTS/PLII•96/24•6.1 •DVD-A BM•6 ch x 110W

CS492xx

High-end

•AC3/PL •5.1•5ch x 70W

•THX •96/24•7.1•7ch x 150W

CS494xx

Ultra-Low Cost • ROM• AC3/PL, SRS Circle Surround

Highest Volume / Market Leader• Over 300 production application codes• Precision decoders• Lowest system cost

Performance and Integration Leader• Single component solution• Ultra-flexible• User programmable “framework”

overlap

overlap

Midrange/Value Range

Entry

High-Midrange

DVD Receiver Market Expected to Grow by +75% in 2003

� Making digital multi-channel an affordable mass-market solution � Combination of low-mid AVR with and low-mid DVD player � Integration provides easier use and smaller size

� Cirrus leverages its AVR leadership and DVD products into unique Total-E™ solution

+ =DVD PlayerAV Receiver DVD Receiver

Cirrus Product Positioning inDVD Receiver

� AC3/DTS/PLII� DVD Audio � Disc Changer� 5.1� 5ch x 70W

� AC3/DTS/PLII� DVD Audio� Disc Changer� 5.1 � 6 ch x 100W

� AC3/PL � 5.1� 5ch x 20W

CS982xx

Ultra Low Cost� Low cost integrated solution

Integration and Performance� High performance single-chip� DVD Audio

Performance Leader � High performance 2 chips solution � Ultra-flexible� DVD audio� Post processing effects

overlap

overlap

Midrange Range

Low end

High-End

CS493xx

CS982xx

CS981xx

Portable Audio Consumers Want…

� More Music!� A full day of music on a single CD

� Music That’s Easy to Enjoy!� End-users are already familiar with the CD format

� Affordability!� Recordable CDs is cost-effective � Sub-$50 portable CD player units enable mainstream

adoption

Cirrus Product Positioning in Portable Audio � MP3/WMA/ID3-Tag� Battery life 5-10hr� 1000-3000 Songs

CS7312

Highly Integrated CD Solution� Scalable SoC architecture � Multi-session support� CES-03 Innovation Award Winner

Performance Leader � Industry fastest ARM7 � Full set of customer tools� Highly integrated

overlap

Flash Players

CD Players

HDD Jukeboxes

� MP3/WMA/ID3-Tag� Battery life 10hr� 20-50 Songs� Solid-State

� MP3/WMA/ID3-Tag� Battery life 10-20hr� 150-200 Songs

CS7410

� MP3/WMA/ID3-Tag� 150-200 Songs

Boombox

Total-ETM Solution for Automotive Entertainment

� Cirrus enables faster adoption of consumer entertainment technology in automotive � Leveraging home entertainment expertise � Soon offering automotive quality versions of

current audio & video processors � Cirrus automotive portfolio

� 15 qualified ICs for automotive� Already shipping in volume to multiple

tier-one automotive customers � On path to be fully ISO/TS 16949 certified

AudioProcessor

VideoProcessor

Mixed-SignalADC, DAC, CODEC,

Interfaces

The Total Cirrus Automotive

Entertainment Solution

The car is becoming an entertainment environment

Cirrus is Driving High-Performance Solutions for DVD Players, DVD

Recorders, and PVRs

VideoEntertainment Processor™

Total-E™ for DVD player, DVD Recorder,

PVR

DVD Recording Reference Design As Showcased at CES 2003!

Cirrus Logic provides complete DVD Recorder solution!

Available

NOW!

� All major ICs provided by Cirrus � Features of market leader at sub-

$500 price� Full-featured DVD Player w/ +RW

Recording

� First Design Win � Mustek Featured the DVD-R100A/B at CES -full production in the Spring of 2003

PVR & DVD Combo Reference Design As Showcased at CES 2003!

� New PVR form factor � No more tapes and time-wasted

searches� DVD-quality recording & time-

shifting� No monthly EPG cost

� Next generation features� MP3 Audio Jukebox� Picture album� EPG without connectivity

� Many new customers� Samsung already in full production

Screenshots of Next Generation PVR

� Best performing DVD recording technology� CS98200 is the highest-performing DVD decoder chip on the market� CS92288 provides highest video quality over widest range of bit rates� CS92288 USB DVR recording device won CES “Innovations” Award

� Platform ready for mass production� Manufacturing kits designed provide rapid solution� CPU “headroom” to add features such as new AV formats

� Total-ETM solution backed by technology &manufacturing support� Asia-based manufacturing and design support

Cirrus Logic is Winning in DVD Recording

Global Strength With Local Support

Headquarters: Austin, TexasHeadquarters: Austin, TexasMajor Support Centers:Major Support Centers:California, London, Taiwan, Tokyo, Hong Kong, Shenzhen, Beijing

Sales Offices:Sales Offices: Design CentersDesign Centers: USA, Europe, Japan, Asia Indiana, Colorado, India, Singapore

Manufacturing Expertise and Quality Excellence

� ISO 9002 Certified Quality Management System� Continuous quality & reliability improvement

� ISO 9001 certification Dec. 2003� ISO/TS 16949* (automotive) certification June 2004� ISO 14001 (environmental) certification June 2004

� Responsive customer service� Pioneer of fabless model with major foundry

relationships

* QS 9000 Replacement

Cirrus is a leader in audio, video, and precision mixed-signal ICs for

consumer entertainment, automotive, and industrial applications

Premier Silicon for Digital Entertainment Electronics!