2-CHANNEL HIGH DEFINITION AUDIO CODEC

www.DataSheet4U.com DATA SHEET 2-CHANNEL HIGH DEFINITION AUDIO CODEC Description The 92HD001/92HD001D is a high quality, 2-channel audio CODEC compatible with the Intel High Definition (HD) Audio Interface. The 92HD001/92HD001D provides Stereo 24-Bit resolution with sample rates up to 192 KHz. SPDIF I/O provides connectivity to consumer electronic equipment. The 92HD001/92HD001D incorporates IDT's proprietary SD technology to achieve an estimated DAC SNR of 95dB. The 92HD001/92HD001D provides high quality, HD Audio capability to notebook and cost sensitive desktop PC applications. 92HD001/92HD001D • • • Mixer-less design • Low-latency Karaoke Mode Supported Integrated Headphone Amplifiers Stereo Microphone • • • • • • • • • • • Supports Stereo Microphone Microphone Boost 0, 10, 20, 30, 40dB Direct CDROM Recording Mixerless Design S/PDIF In and Out Universal JacksTM Functionality for jack retasking Adjustable VREF Out Digital PC Beep to all outputs +3.3 V, and +5 V analog power supply options 48-pin LQFP RoHS package Dolby Sound Room Compliant (92HD001D only) (System manufacturers must obtain system license from Dolby.) Features • • • • • High performance SD technology 95dB DAC SNR Intel HD Audio Interface Two Channel DACs and ADCs with 24-bit resolution Sample rates up to 192 KHz Dolby Home Theater Compliant (92HD001D only) (System manufacturers must obtain system license from Dolby.) IDT™ 2-CHANNEL HIGH DEFINITION AUDIO CODEC 1 IDT CONFIDENTIAL 92HD001/92HD001D V 1.0 12/06 92HD001/92HD001D 2-CHANNEL HIGH DEFINITION AUDIO CODEC PC AUDIO Table of Contents 1. DESCRIPTION ......................................................................................................................... 11 2. PERFORMANCE ..................................................................................................................... 12 2.1. Audio Fidelity ................................................................................................................................... 12 2.2. Electrical Specifications ................................................................................................................... 12 2.2.1. Absolute Maximum Ratings ............................................................................................... 12 2.2.2. Recommended Operation Conditions ............................................................................... 12 2.3. Power Consumption ........................................................................................................................ 13 2.3.1. Digital ................................................................................................................................. 13 2.3.2. Analog ............................................................................................................................... 13 2.4. 92HD001/92HD001D 5V Analog Performance Characteristics ....................................................... 14 2.5. 92HD001/92HD001D 3.3V Analog Performance Characteristics .................................................... 17 3. EXTENDED FEATURE EXPLANATION ................................................................................. 19 3.1. SPDIF Input ..................................................................................................................................... 19 3.2. SPDIF Output .................................................................................................................................. 19 3.3. Universal JacksTM .......................................................................................................................... 19 3.4. Audio Jack Presence Detect ........................................................................................................... 19 4. BLOCK DIAGRAMS AND TYPICAL HOOKUPS .................................................................... 20 4.1. Functional Block Diagram ................................................................................................................ 20 4.2. 92HD001/92HD001D Typical Connection Diagram for 48-pin LQFP .............................................. 21 4.3. 92HD001/92HD001D Split Independent Power Supply for 48-pin LQFP ........................................ 22 5. WIDGET INFORMATION .........................................................................................................23 5.1. Widget Diagram ............................................................................................................................... 23 5.2. 92HD001/92HD001D Widget List .................................................................................................... 24 5.3. Root Node (NID = 0x00) .................................................................................................................. 25 5.3.1. Root PnpID ....................................................................................................................... 25 5.3.2. Root RevID ..................................................................................................................... 25 5.3.3. Root NodeInfo .................................................................................................................. 26 5.4. AFG Node (NID = 0x01) .................................................................................................................. 26 5.4.1. AFG Reset ........................................................................................................................ 26 5.4.2. AFG NodeInfo ................................................................................................................... 27 5.4.3. AFG Type ......................................................................................................................... 27 5.4.4. AFG GrpCap ..................................................................................................................... 27 5.4.5. AFG FrmtCap ................................................................................................................... 28 5.4.6. AFG StreamCap ............................................................................................................... 29 5.4.7. AFG PwrCap .................................................................................................................... 30 5.4.8. AFG GPIOCap .................................................................................................................. 30 5.4.9. AFG OutAmpCap ............................................................................................................. 31 5.4.10. AFG PwrState ................................................................................................................. 32 5.4.11. AFG UnsolResp .............................................................................................................. 32 5.4.12. AFG GPIO ...................................................................................................................... 33 5.4.13. AFG GPIOEn .................................................................................................................. 34 5.4.14. AFG GPIODir .................................................................................................................. 35 5.4.15. AFG GPIOWake ............................................................................................................. 35 5.4.16. AFG GPIOUnsolEn ......................................................................................................... 36 5.4.17. AFG GPIOSticky ............................................................................................................. 37 5.4.18. AFG SysID ...................................................................................................................... 38 5.5. DAC0Cnvtr Node (NID = 0x02) ....................................................................................................... 39 5.5.1. DAC0Cnvtr Frmt ............................................................................................................... 39 5.5.2. DAC0Cnvtr WCap ............................................................................................................ 40 5.5.3. DAC0Cnvtr PwrState ......................................................................................................... 41 5.5.4. DAC0Cnvtr Stream ........................................................................................................... 42 5.6. ADC0Cnvtr Node (NID = 0x03) ...................................................................................................... 42 5.6.1. ADC0Cnvtr Frmt ............................................................................................................... 42 IDT™ 2-CHANNEL HIGH DEFINITION AUDIO CODEC 2 IDT CONFIDENTIAL 92HD001/92HD001D V 1.0 12/06 92HD001/92HD001D 2-CHANNEL HIGH DEFINITION AUDIO CODEC PC AUDIO 5.6.2. ADC0Cnvtr WCap ............................................................................................................ 43 5.6.3. ADC0Cnvtr ConnLen ........................................................................................................ 44 5.6.4. ADC0Cnvtr ConnLst ......................................................................................................... 45 5.6.5. ADC0Cnvtr ProcState ....................................................................................................... 45 5.6.6. ADC0Cnvtr PwrState ........................................................................................................ 46 5.6.7. ADC0Cnvtr Stream ........................................................................................................... 47 5.7. SPDIFinCnvtr Node (NID = 0x04) .............................................................................