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CS4299 Dataheets PDF



Part Number CS4299
Manufacturers Cirrus Logic
Logo Cirrus Logic
Description Stereo Audio Codec
Datasheet CS4299 DatasheetCS4299 Datasheet (PDF)

CS4299 CrystalClear® SoundFusion™ Audio Codec ’97 Features  AC ’97 2.1 Compatible  Industry Leading Mixed Signal Technology  20-bit Stereo Digital-to-Analog Converters  18-bit Stereo Analog-to-Digital Converters  Sample Rate Converters  Four Analog Line-level Stereo Inputs for LINE_IN, CD, VIDEO, and AUX  Two Analog Line-level Mono Inputs for Modem and Internal PC Beep  Dual Stereo Line-level Outputs for LINE_ OUT and ALT_LINE_OUT  Dual Microphone Inputs  High Quality Pseudo-Differen.

  CS4299   CS4299


Document
CS4299 CrystalClear® SoundFusion™ Audio Codec ’97 Features  AC ’97 2.1 Compatible  Industry Leading Mixed Signal Technology  20-bit Stereo Digital-to-Analog Converters  18-bit Stereo Analog-to-Digital Converters  Sample Rate Converters  Four Analog Line-level Stereo Inputs for LINE_IN, CD, VIDEO, and AUX  Two Analog Line-level Mono Inputs for Modem and Internal PC Beep  Dual Stereo Line-level Outputs for LINE_ OUT and ALT_LINE_OUT  Dual Microphone Inputs  High Quality Pseudo-Differential CD Input  Extensive Power Management Support  Meets or Exceeds the Microsoft PC 99 Audio Performance Requirements  S/PDIF Digital Audio Output  CrystalClear 3D Stereo Enhancement Description The CS4299 is an AC ’97 2.1 compatible stereo audio codec designed for PC multimedia systems. Using the industry leading CrystalClear® delta-sigma and mixed signal technology, the CS4299 enables the design of PC 99-compliant desktop, portable, and entertainment PCs. Coupling the CS4299 with a PCI audio accelerator or core logic supporting the AC ’97 interface, implements a cost effective, superior quality, audio solution. The CS4299 surpasses PC 99 and AC ’97 2.1 audio quality standards. ORDERING INFO CS4299-BQZ lead-free 48-pin LQFP 9x9x1.4 mm CS4299-JQZ lead-free 48-pin LQFP 9x9x1.4 mm SYNC BIT_CLK SDATA_OUT SDATA_IN RESET# AC-LINK AND AC'97 REGISTERS PWR MGT ANALOG INPUT MUX AND OUTPUT MIXER ACLINK AC'97 REGISTERS S/PDIF SRC PCM_DATA GAIN / MUTE CONTROLS MIXER / MUX SELECTS SRC PCM_DATA ADC INPUT 18 bits MUX OUTPUT MIXER DAC 20 bits LINE CD AUX VIDEO MIC1 MIC2 PHONE PC_BEEP LINE_OUT ALT_LINE_OUT MONO_OUT http://www.cirrus.com Copyright  Cirrus Logic, Inc. 2001–2015 (All Rights Reserved) JUN ‘15 DS319F1 1 CS4299 Table of Contents 1 Characteristics and specifications ............................................................................................................................. 4 2 General Description ...................................................................................................................................................... 9 2.1 AC-Link .................................................................................................................................................................. 9 2.2 Control registers ................................................................................................................................................... 9 2.3 Sample Rate Converters ....................................................................................................................................... 9 2.4 Output Mixer ........................................................................................................................................................ 10 2.5 Input Mux ............................................................................................................................................................. 10 2.6 Volume Control .................................................................................................................................................... 10 3 AC Link Frame Definition ........................................................................................................................................... 11 3.1 AC-Link Serial Data Output Frame ...................................................................................................................... 12 3.2 AC-Link Audio Input Frame ................................................................................................................................. 14 3.3 AC-Link Protocol Violation - Loss of SYNC ......................................................................................................... 16 4 Register Interface ....................................................................................................................................................... 17 5 Power Management .................................................................................................................................................... 31 5.1 AC ’97 Reset Modes ............................................................................................................................................ 31 5.1.1 Cold AC ‘97 Reset ...................................................................................................................................... 31 5.1.2 Warm AC ’97 Reset .................................................................................................................................... 31 5.1.3 Register AC ’97 Reset ................................................................................................................................ 31 5.2 Powerdown Controls ....................................................................................................................................


CS4298 CS4299 CM5008


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