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CS4291 데이터시트(PDF) 1 Page - Cirrus Logic |
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1 / 66 page 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. 2005 (All Rights Reserved) http://www.cirrus.com CS4202 Audio Codec ’97 with Headphone Amplifier Features ! AC ’97 2.2 Compliant ! Exceeds the Microsoft® PC 2001 Audio Performance Requirements ! Integrated High-Performance Headphone Amplifier ! On-chip PLL for use with External Clock Sources ! Integrated High-Performance Microphone Pre-Amplifier ! Automatic Jack Sense through GPIO ! BIOS-Driver Interface for Audio Feature Configuration through Software ! S/PDIF Digital Audio Output ! I2S Serial Digital Outputs Enable Cost Effective Six Channel Applications ! Independent Simultaneous S/PDIF and Six Channel Audio Playback ! 20-bit Stereo Digital-to-Analog Converters ! 18-bit Stereo Analog-to-Digital Converters ! Sample Rate Converters ! Three Analog Line-level Stereo Inputs ! High Quality Pseudo-Differential CD Input ! Two Analog Line-level Mono Inputs ! Dual Microphone Inputs ! Stereo and Mono Line-level Outputs ! Extensive Power Management Support Description The CS4202 is an AC ’97 2.2 compliant stereo audio co- dec designed for PC multimedia systems. It uses industry leading delta-sigma and mixed signal technolo- gy. This advanced technology and these features are designed to help enable the design of PC 99 and PC 2001 compliant high-quality audio systems for desk- top, portable, and entertainment PCs. Coupling the CS4202 with a PCI audio accelerator or core logic supporting the AC ’97 interface implements a cost effective, superior quality audio solution. The CS4202 surpasses PC 99, PC 2001, and AC ’97 2.2 au- dio quality standards. ORDERING INFO CS4202-JQZ, Lead Free 48-pin TQFP 9x9x1.4 mm AC '97 REGISTERS LINE CD AUX VIDEO MIC1 MIC2 PHONE PC_BEEP LINE_OUT HP_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# GPIO, S/PDIF SERIAL DATA PORT EAPD SPDIF_OUT GPIO[4:0] SDOUT,LRCLK,SCLK 18 bit ADC 20 bit DAC Σ INPUT MIXER JULY '05 DS549PP2 |
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