Cirrus Logic CS4299-BQ - Manual

Preliminary Product Information
This document contains information for a new product.
Cirrus Logic reserves the right to modify this product without notice.
1
Copyright © Cirrus Logic, Inc. 2006
(All Rights Reserved)
P.O. Box 17847, Austin, Texas 78760
(512) 445 7222 FAX: (512) 445 7581
http://www.cirrus.com
MAR‘06
DS319-BQPP2
CS4299-BQ
Features
l AC ’97 2.1 Compatible
l Industry Leading Mixed Signal Technology
l 20-bit Stereo Digital-to-Analog Converters
l 18-bit Stereo Analog-to-Digital Converters
l Sample Rate Converters
l Four Analog Line-level Stereo Inputs for
LINE_IN, CD, VIDEO, and AUX
l Two Analog Line-level Mono Inputs for
Modem and Internal PC Beep
l Dual Stereo Line-level Outputs for
LINE_OUT and ALT_LINE_OUT
l Dual Microphone Inputs
l High Quality Pseudo-Differential CD Input
l Extensive Power Management Support
l Meets or Exceeds the Microsoft
®
PC 99
Audio Performance Requirements
l S/PDIF Digital Audio Output
l CrystalClear
®
3D Stereo Enhancement
l Industrial Temperature Range
Description
The CS4299-BQ is an AC ’97 2.1 compatible stereo au-
dio codec designed for PC multimedia systems. Using
the industry leading CrystalClear
®
delta-sigma and
mixed signal technology, the CS4299-BQ enables the
design of PC 99-compliant desktop, portable, and enter-
tainment PCs.
Coupling the CS4299-BQ with a PCI audio accelerator
or core logic supporting the AC ’97 interface, implements
a cost effective, superior quality, audio solution. The
CS4299-BQ surpasses PC 99 and AC ’97 2.1 audio
quality standards.
ORDERING INFO
CS4299-BQZ lead-free 48-pin LQFP 9x9x1.4 mm
AC '97
REGISTERS
LINE
CD
AUX
VIDEO
MIC1
MIC2
PHONE
PC_BEEP
LINE_OUT
ALT_LINE_OUT
MONO_OUT
ANALOG INPUT MUX
AND OUTPUT MIXER
AC-LINK AND AC '97
REGISTERS
PCM_DATA
GAIN / MUTE CONTROLS
INPUT
MUX
Σ
OUTPUT
MIXER
MIXER / MUX SELECTS
AC-
LINK
PWR
MGT
TEST
SYNC
BIT_CLK
SDATA_OUT
SDATA_IN
RESET#
PCM_DATA SRC
SRC
ID0#
ID1#
EAPD, S/PDIF
EAPD
SPDIF_OUT
18 bit
ADC
20 bit
DAC
3D Stereo
Enhancement
Σ
INPUT
MIXER
CrystalClear
®
SoundFusion ™ Audio Codec ’97
Copyright
© Cirrus Logic, Inc. 2006
(All Rights Reserved)
Preliminary 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
CrystalClear
®
SoundFusion™ Audio Codec ‘97
CS4299-BQ
March '06
DS319-BQPP2