CS4202 Audio Codec 97 with Headphone Amplifier Sample Rate Converters Features Three Analog Line-level Stereo Inputs AC 97 2.2 Compliant High Quality Pseudo-Differential CD Input Exceeds the Microsoft PC 2001 Audio Two Analog Line-level Mono Inputs Performance Requirements Dual Microphone Inputs Integrated High-Performance Headphone Stereo and Mono Line-level Outputs Amplifier Extensive Power Management Support On-chip PLL for use with External Clock Sources Description Integrated High-Performance Microphone The CS4202 is an AC 97 2.2 compliant stereo audio co- Pre-Amplifier dec designed for PC multimedia systems. It uses industry leading delta-sigma and mixed signal technolo- Automatic Jack Sense through GPIO gy. This advanced technology and these features are designed to help enable the design of PC99 and BIOS-Driver Interface for Audio Feature PC 2001 compliant high-quality audio systems for desk- Configuration through Software top, portable, and entertainment PCs. S/PDIF Digital Audio Output Coupling the CS4202 with a PCI audio accelerator or 2 I S Serial Digital Outputs Enable Cost core logic supporting the AC 97 interface implements a Effective Six Channel Applications cost effective, superior quality audio solution. The CS4202 surpasses PC 99, PC 2001, and AC 97 2.2 au- Independent Simultaneous S/PDIF and Six dio quality standards. Channel Audio Playback 20-bit Stereo Digital-to-Analog Converters ORDERING INFO 18-bit Stereo Analog-to-Digital Converters CS4202-JQZ, Lead Free 48-pin TQFP 9x9x1.4 mm AC-LINK AND AC 97 ANALOG INPUT MUX REGISTERS AND OUTPUT MIXER PWR TEST LINE MGT CD 18 bit INPUT SRC PCM DATA ADC MUX SYNC AUX BIT CLK VIDEO AC- SDATA OUT LINK SDATA IN MIC1 INPUT MIXER RESET MIC2 GAIN / MUTE CONTROLS MIXER / MUX SELECTS ID0 PHONE AC 97 ID1 REGISTERS PC BEEP OUTPUT LINE OUT MIXER EAPD HP OUT SPDIF OUT GPIO, S/PDIF 20 bit SRC PCM DATA MONO OUT SERIAL DATA PORT DAC GPIO 4:0 SDOUT,LRCLK,SCLK This document contains information for a new product. Preliminary Product Information Cirrus Logic reserves the right to modify this product without notice. JULY 05 Copyright Cirrus Logic, Inc. 2005 DS549PP2 CS4202 TABLE OF CONTENTS 1. CHARACTERISTICS AND SPECIFICATIONS ........................................................................ 7 ANALOG CHARACTERISTICS................................................................................................ 7 ABSOLUTE MAXIMUM RATINGS ........................................................................................... 8 RECOMMENDED OPERATING CONDITIONS ....................................................................... 8 AC 97 SERIAL PORT TIMING............................................................................................... 10 2. GENERAL DESCRIPTION ..................................................................................................... 13 2.1 AC-Link ............................................................................................................................ 13 2.2 Control Registers ............................................................................................................. 14 2.3 Sample Rate Converters .................................................................................................. 14 2.4 Mixers .............................................................................................................................. 14 2.5 Input Mux ......................................................................................................................... 14 2.6 Volume Control ................................................................................................................ 14 3. AC-LINK FRAME DEFINITION .............................................................................................. 16 3.1 AC-Link Serial Data Output Frame .................................................................................. 17 3.1.1 Serial Data Output Slot Tags (Slot 0)............................................................................. 17 3.1.2 Command Address Port (Slot 1).................................................................................... 17 3.1.3 Command Data Port (Slot 2).......................................................................................... 18 3.1.4 PCM Playback Data (Slots 3-4,6-11)............................................................................. 18 3.1.5 GPIO Pin Control (Slot12).............................................................................................. 18 3.2 AC-Link Serial Data Input Frame .....................................................................................19 3.2.1 Serial Data Input Slot Tag Bits (Slot 0) ........................................................................19 3.2.2 Status Address Port (Slot 1) .......................................................................................... 19 3.2.3 Status Data Port (Slot 2)................................................................................................ 20 3.2.4 PCM Capture Data (Slot 3-4,6-8,11).............................................................................. 20 3.2.5 GPIO Pin Status (Slot 12) ............................................................................................. 20 3.3 AC-Link Protocol Violation - Loss of SYNC ..................................................................... 21 4. REGISTER INTERFACE ..................................................................................................... 22 4.1 Reset Register (Index 00h) .............................................................................................. 23 4.2 Analog Mixer Output Volume Registers (Index 02h - 04h) .............................................. 23 4.3 Mono Volume Register (Index 06h) .................................................................................. 24 Contacting Cirrus Logic Support For a complete listing of Direct Sales, Distributor, and Sales Representative contacts, visit the Cirrus Logic web site at: