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8-CHANNEL HIGH DEFINITION AUDIO CODEC Description
The 92HD206 is a Theater Quality 8-channel audio CODEC that enables systems with 7.1 audio or 5.1 audio playing simultaneously with VoIP or another stereo audio stream. IDT's proprietary SD technology provides high fidelity, with a DAC SNR of 95dB.
92HD206
Software Support
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SKPI (Kernel Processing Interface)
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Enables plug-ins that can operate globally on all audio streams of the system Constant, system-level effects tuned to optimize a particular platform can be combined with user-mode “presets” tailored for specific acoustical environments and applications System-level effects automatically disabled when external connections made Enables improved voice articulation Compressor/limiter allows higher average noise level without resonances Dolby Home Theater™ Dolby Sound Room™ Dolby Headphone™, Dolby Virtual Speaker™ Dolby ProLogic II™, Dolby ProLogic IIx™ Dolby Digital Live™
12 band parametric equalizer SKPI plug-in
Features
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High performance HD Audio CODEC provides Theater Quality Audio Targeted for designs meeting Premium Windows Logo Program High performance SD technology
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Dynamics Processing SKPI plug-in
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95dB DAC SNR 90dB ADC SNR Supports 7.1 Audio Supports 5.1 Audio with simultaneous Real Time Communication (RTC) channel such as VoIP or separate stereo audio stream
Dolby PC Entertainment Experience Logo Program
Four stereo DACs and two stereo ADCs
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Dolby Technologies
24-bit resolution with up to 192 KHz sample rates Analog Stereo Microphone
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Microphone Boost 0, 10, 20, 30, 40dB Six adjustable Vref outputs for microphone bias
Intel Audio Studio™ from Sonic Focus Maxx Player™ from Waves Microphone Beam Forming, Acoustic Echo Cancellation, & Noise Suppression from Knowles™
Integrated Headphone Amps (3) S/PDIF In and Out Volume Up/Down Control Jack Insertion Detect and Impedance Sensing supports Jack Retasking and Universal Jacks™ Digital PC Beep to all outputs +5 V Analog Power Supply Environmental 48-pin LQFP Package
IDT™
8-CHANNEL HIGH DEFINITION AUDIO CODEC
1 IDT CONFIDENTIAL
92HD206
V 1.2
112006
92HD206 8-CHANNEL HIGH DEFINITION AUDIO CODEC
PC AUDIO
Table of Contents
1. DESCRIPTION ......................................................................................................................... 12 2. CHARACTERISTICS ............................................................................................................... 13
2.1. Audio Fidelity ................................................................................................................................... 13 2.2. Electrical Specifications ................................................................................................................... 13 2.3. 92HD206 5 V Analog Performance Characteristics ........................................................................ 14
3. DETAILED DESCRIPTION ...................................................................................................... 18
3.1. Universal Jacks™ ............................................................................................................................ 18 3.2. SPDIF Input ..................................................................................................................................... 19 3.3. SPDIF Output .................................................................................................................................. 19 3.4. Headphone Drivers (Restrictions) ................................................................................................... 20 3.5. Device IDs ....................................................................................................................................... 20
4. FUNCTIONAL BLOCK DIAGRAMS ........................................................................................ 21
4.1. 92HD206 ......................................................................................................................................... 21
5. WIDGET DIAGRAM ................................................................................................................. 22
5.1. Pin Configuration Default Register Settings .................................................................................... 23
6. WIDGET INFORMATION FOR THE 92HD206 FAMILY ........................................................ 24
6.1. Root Node (NID = 0x00) .................................................................................................................. 26 6.2. AFG Node (NID = 0x01) .................................................................................................................. 27 6.3. DAC0 Node (NID = 0x02) ................................................................................................................ 44 6.4. DAC1 Node (NID = 0x03) .......