92hd001 Integrated Device Technology, 92hd001 Datasheet

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92hd001

Manufacturer Part Number
92hd001
Description
Two Channel Hd Audio Codec
Manufacturer
Integrated Device Technology
Datasheet
2-CHANNEL HIGH DEFINITION AUDIO CODEC
Description
The 92HD001 is a high quality, 2-channel audio CODEC
compatible with the Intel High Definition (HD) Audio
Interface. The 92HD001 provides Stereo 24-Bit resolution
with sample rates up to 192 KHz. SPDIF
I/O provides connectivity to consumer electronic
equipment. The 92HD001 incorporates IDT's proprietary
SD technology to achieve an estimated DAC SNR of 95dB.
The 92HD001 provides high quality, HD Audio capability to
notebook and cost sensitive desktop PC applications.
Features
IDT™
High performance SD technology
95dB DAC SNR
Intel HD Audio Interface
Two Channel DACs and ADCs with 24-bit
resolution
2-CHANNEL HIGH DEFINITION AUDIO CODEC
IDT CONFIDENTIAL
1
Sample rates up to 192 KHz
Mixer-less design
Integrated Headphone Amplifiers
Stereo Microphone
Direct CDROM Recording Mixerless Design
S/PDIF In and Out
Universal Jacks
Adjustable VREF Out
Digital PC Beep to all outputs
+3.3 V, and +5 V analog power supply options
48-pin LQFP RoHS package
Low-latency Karaoke Mode Supported
Supports Stereo Microphone
Microphone Boost 0, 10, 20, 30, 40dB
TM
92HD001
Functionality for jack retasking
DATA SHEET
92HD001
V 1.1 01/08

Related parts for 92hd001

92hd001 Summary of contents

Page 1

... KHz. SPDIF I/O provides connectivity to consumer electronic equipment. The 92HD001 incorporates IDT's proprietary SD technology to achieve an estimated DAC SNR of 95dB. The 92HD001 provides high quality, HD Audio capability to notebook and cost sensitive desktop PC applications. Features • High performance SD technology • ...

Page 2

... 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 Typical Connection Diagram for 48-pin LQFP ................................................................. 21 4.3. 92HD001 Split Independent Power Supply for 48-pin LQFP ........................................................... 22 5. WIDGET INFORMATION .........................................................................................................23 5.1. Widget Diagram ............................................................................................................................... 23 5.2. 92HD001 Widget List ...................................................................................................................... 24 5.3. Root Node (NID = 0x00) .................................................................................................................. 25 5 ...

Page 3

... DigOutPin ConnLst ......................................................................................................... 69 5.11.6. DigOutPin Ctl .................................................................................................................. 69 5.11.7. DigOutPin Config ............................................................................................................ 70 5.12. ADC0Mux Node (NID = 0x0A) ....................................................................................................... 71 5.12.1. ADC0Mux VolRight ......................................................................................................... 71 5.12.2. ADC0Mux VolLeft ........................................................................................................... 71 5.12.3. ADC0Mux WCap ............................................................................................................ 72 5.12.4. ADC0Mux OutAmpCap .................................................................................................. 73 5.12.5. ADC0Mux ConnLen ........................................................................................................ 73 5.12.6. ADC0Mux ConnLst ......................................................................................................... 74 5.12.7. ADC0Mux LR .................................................................................................................. 74 5.13. MasterVol Node (NID = 0x0B) ....................................................................................................... 75 5.13.1. MasterVol Right .............................................................................................................. 75 IDT™ 2-CHANNEL HIGH DEFINITION AUDIO CODEC 3 92HD001 IDT CONFIDENTIAL PC AUDIO V 1.1 01/08 ...

Page 4

... PortBPin Ctl .................................................................................................................. 100 5.18.6. PortBPin UnsolResp ..................................................................................................... 101 5.18.7. PortBPin Sense ............................................................................................................ 102 5.18.8. PortBPin Config ............................................................................................................ 102 5.19. MonoOutPin Node (NID = 0x11) ................................................................................................. 103 5.19.1. MonoOutPin Vol ........................................................................................................... 103 5.19.2. MonoOutPin WCap ....................................................................................................... 104 5.19.3. MonoOutPin Cap .......................................................................................................... 105 5.19.4. MonoOutPin ConnLen .................................................................................................. 105 5.19.5. MonoOutPin ConnLst ................................................................................................... 106 IDT™ 2-CHANNEL HIGH DEFINITION AUDIO CODEC 4 92HD001 IDT CONFIDENTIAL PC AUDIO V 1.1 01/08 ...

Page 5

... PCBeep Node (NID = 0x14) ........................................................................................................ 113 5.22.1. PCBeep Vol .................................................................................................................. 113 5.22.2. PCBeep WCap ............................................................................................................. 113 5.22.3. PCBeep OutAmpCap ................................................................................................... 114 5.22.4. PCBeep Gen ................................................................................................................ 115 6. ORDERING INFORMATION .................................................................................................. 116 6.1. 92HD001 Family Options and Part Order Numbers ...................................................................... 116 7. PIN INFORMATION ............................................................................................................... 117 7.1. Pin Out .......................................................................................................................................... 117 7.2. Pin Table ....................................................................................................................................... 118 8. PACKAGE DRAWINGS ......................................................................................................... 120 8.1. 48-Pin LQFP .................................................................................................................................. 120 9 ...

Page 6

... Table 59. ADC0Cnvtr ConnLen Command Response Format ...................................................................... 46 Table 60. ADC0Cnvtr ConnLst Command Verb Format ................................................................................ 46 Table 61. ADC0Cnvtr ConnLst Command Response Format ....................................................................... 46 Table 62. ADC0Cnvtr ProcState Command Verb Format ............................................................................. 46 Table 63. ADC0Cnvtr ProcState Command Response Format ..................................................................... 47 IDT™ 2-CHANNEL HIGH DEFINITION AUDIO CODEC 6 92HD001 IDT CONFIDENTIAL PC AUDIO V 1.1 01/08 ...

Page 7

... Table 114. DigInPin UnsolResp Command Verb Format .............................................................................. 65 Table 115. DigInPin UnsolResp Command Response Format ..................................................................... 65 Table 116. DigInPin Sense Command Verb Format ..................................................................................... 65 Table 117. DigInPin Sense Command Response Format ............................................................................. 66 Table 118. DigInPin EAPD Command Verb Format ...................................................................................... 66 IDT™ 2-CHANNEL HIGH DEFINITION AUDIO CODEC 7 92HD001 IDT CONFIDENTIAL PC AUDIO V 1.1 01/08 ...

Page 8

... Table 169. InPortMux AmpCap Command Response Format ...................................................................... 81 Table 170. InPortMux ConnSel Command Verb Format ............................................................................... 82 Table 171. InPortMux ConnSel Command Response Format ...................................................................... 82 Table 172. InPortMux ConnLst0 Command Verb Format ............................................................................. 82 Table 173. InPortMux ConnLst0 Command Response Format ..................................................................... 82 IDT™ 2-CHANNEL HIGH DEFINITION AUDIO CODEC 8 92HD001 IDT CONFIDENTIAL PC AUDIO V 1.1 01/08 ...

Page 9

... Table 225. PortBPin WCap Command Response Format ............................................................................ 99 Table 226. PortBPin Cap Command Verb Format ...................................................................................... 100 Table 227. PortBPin Cap Command Response Format .............................................................................. 100 Table 228. PortBPin ConnLen Command Verb Format .............................................................................. 101 IDT™ 2-CHANNEL HIGH DEFINITION AUDIO CODEC 9 92HD001 IDT CONFIDENTIAL PC AUDIO V 1.1 01/08 ...

Page 10

... Table 272. PCBeep OutAmpCap Command Verb Format .......................................................................... 115 Table 273. PCBeep OutAmpCap Command Response Format ................................................................. 115 Table 274. PCBeep Gen Command Verb Format ....................................................................................... 116 Table 275. PCBeep Gen Command Response Format .............................................................................. 116 IDT™ 2-CHANNEL HIGH DEFINITION AUDIO CODEC 10 92HD001 IDT CONFIDENTIAL PC AUDIO V 1.1 01/08 ...

Page 11

... The 92HD001 provides Stereo 24-Bit, full duplex resolution supporting sample rates up to 192 KHz by the DAC and ADC. The 92HD001 DAC, ADC and SPDIF In/Out support sample rates of 96 KHz, 48 KHz and 44.1 KHz. Additionally, the SPDIF Out supports 32 KHz. The CODEC’s driver supports additional sample rate options. ...

Page 12

... Absolute Maximum Ratings Stresses above the ratings listed below can cause permanent damage to the 92HD001. These ratings, which are standard values for IDT commercially rated parts, are stress ratings only. Functional operation of the device at these or any other conditions above those indicated in the operational sections of the specifications is not implied. ...

Page 13

... The 92HD001 is an ESD (electrostatic discharge) sensitive device. The human body and test equipment can accumulate and discharge electrostatic charges up to 4000 Volts without detection. Even though the 92HD001 implements internal ESD protection circuitry, proper ESD precautions should be followed to avoid damaging the functionality or 2 ...

Page 14

... HIGH DEFINITION AUDIO CODEC 2.4. 92HD001 5V Analog Performance Characteristics ( ºC, AVdd = 5.0V ± 5%, DVdd = 3.3V ± 5%, AVss=DVss=0V; 1 KHz input sine wave; Sample Frequency = ambient 48 KHz VRMS stages) Min and Max performance targets are not included here, as specific system characteristics, such as layout, routing and external CODEC component selection, influence the performance of the CODEC ...

Page 15

... IDT™ 2-CHANNEL HIGH DEFINITION AUDIO CODEC Min Typ - -85 - -80 - -100 - 1 0.5 X AVdd - 0.45X AVdd - - - - - 100 - 100 - - - 96 - 100 15 92HD001 IDT CONFIDENTIAL PC AUDIO Max Unit - Ω 0 ppm/º deg. Ω μsec 200 ...

Page 16

... Stop Band rejection determines filter requirements. Out-of-Band rejection determines audible noise. 8. The integrated Out-of-Band noise generated by the DAC process, during normal PCM audio playback, over a bandwidth 28.8 to 100 KHz, with respect Vrms DAC output. IDT™ 2-CHANNEL HIGH DEFINITION AUDIO CODEC 16 92HD001 IDT CONFIDENTIAL PC AUDIO V 1.1 01/08 ...

Page 17

... HIGH DEFINITION AUDIO CODEC 2.5. 92HD001 3.3V Analog Performance Characteristics ( ºC, AVdd = 3.3V ± 5%, DVdd = 3.3V ± 5%, AVss=DVss=0V; 1 KHz input sine wave; Sample Frequency = ambient 48 KHz VRMS stages) Min and Max performance targets are not included here, as specific system characteristics, such as layout, routing and external CODEC component selection, influence the performance of the CODEC ...

Page 18

... IDT™ 2-CHANNEL HIGH DEFINITION AUDIO CODEC Min Typ - -75 - -100 - 1 0.5 X AVdd - 0.45X AVdd - - - - 100 - 100 - - - 96 - 100 18 92HD001 IDT CONFIDENTIAL PC AUDIO Max Unit - Ω 0 ppm/º deg. Ω μsec 200 ...

Page 19

... Headphone capabilities are available on pins 39/41 and 35/36, but one should not put headphone loads on both sets of pins at the same time. Note: On the 92HD001 only one function can be selected at a time, you cannot have an input and output at the same time on the same set of pins. This function can be changed at any time. ...

Page 20

... Pin 48 SPDIF SPDIF OUT -6dB vol mute Σ vol mute Out HP Out Line Out Line Out CD 92HD001 PC AUDIO MONO_OUT Pin 37 Pin Complex Port A Pins 39/41 Port D Pin Complex Pins 35/36 Port C Pin Complex Pins 23/24 Port B Pin Complex Pins 21/ Pin Complex Pins 18/20 V 1.1 01/08 ...

Page 21

... HIGH DEFINITION AUDIO CODEC 4.2. 92HD001 Typical Connection Diagram for 48-pin LQFP Figure 2. 92HD001 Typical Connection Diagram for 48-pin LQFP 5V ± 5% (Near Clk source) CLOCK_IN* *Add resistive divider OPTIONAL when using 5V clock 24.576 MHz EMI 22 Ω Filter 27 pF ...

Page 22

... HIGH DEFINITION AUDIO CODEC 4.3. 92HD001 Split Independent Power Supply for 48-pin LQFP Figure 3. 92HD001 Split Independent Power Supply for 48-pin LQFP (Near Clk source) CLOCK_IN* *Add resistive divider OPTIONAL when using 5V clock 24.576 MHz EMI 22 Ω Filter ...

Page 23

... HP Out, LineOut, LineIn, MIC -46.5 Pin LineOut, LineIn, MIC Pin LineOut, LineIn, MIC 13h Mono Pin Mix MONO Out 12h Pin CD In 92HD001 PC AUDIO Port A HP Out TM Universal Jack Actual Pins 39/41 Port D Line Out TM Universal Jack Actual Pins 35/36 Fh Port C Line In TM ...

Page 24

... HIGH DEFINITION AUDIO CODEC 5.2. 92HD001 Widget List ID Widget Name 1h Audio Function Group 2h DAC0 3h ADC0 4h SPDIF_IN 5h SPDIF_OUT 6h Reserved 7h DAC0Mux 8h SPDIF-In Pin 9h SPDIF-Out Pin 10h Mic 11h Mono Out 12h CD 13h Mono Mix 14h Digital PC Beep 15h-19h Reserved Ah ADC0Mux Bh Master Volume ...

Page 25

... Device ID: 92HD001 = 7690h Payload Response 02 See bitfield table Description Reserved Major rev number of compliant Azalia spec. Minor rev number of compliant Azalia spec. Vendor rev number for this device ID: 92HD001 = xxh Vendor stepping number within the given Vendor RevID: 92HD001 = xxh 92HD001 V 1.1 01/08 ...

Page 26

... Set verb 7FF is written with 8-bit payload of 00h. The CODEC should issue a response to acknowledge receipt of the verb, and then reset the affected Function Group and all associated widgets to their power-on reset values. Some controls such as Configuration Default controls should not be reset. Overlaps Response. 92HD001 PC AUDIO V 1.1 01/08 ...

Page 27

... Starting node number for function group subordinate nodes. Reserved Total number of nodes. Payload Response 05 See bitfield table Description Reserved This node is capable of generating an unsolicited response, and will respond to the Unsolicited Response verb (Verb ID 708h). Node type = Audio Function Group Payload Response 08 See bitfield table 92HD001 V 1.1 01/08 ...

Page 28

... Azalia link and when it appears as an analog signal at the pin. Payload Response 0A See bitfield table Description Reserved 32 bit audio formats are NOT supported 24 bit audio formats are supported 20 bit audio formats are supported 16 bit audio formats are supported 8 bit audio formats are NOT supported Reserved 92HD001 V 1.1 01/08 ...

Page 29

... KHz rate (1/3*48 KHz) NOT supported 0x0 11.025 KHz rate (1/4*44.0 KHz) NOT supported 0x0 8.0 KHz rate (1/6*48 KHz) NOT supported Payload 0B Description Reserved No support for non-PCM (AC3) data. No support for single-precision floating-point data. PCM-formatted data supported. 92HD001 PC AUDIO Response See bitfield table V 1.1 01/08 ...

Page 30

... Power State D1 is supported. Allows for lowest possible power consuming state from which it can return to fully on state within 10 ms, excepting analog pass-through circuits which must remain fully on. Power State D0 is supported. Node power state is fully on. Payload Response 11 See bitfield table 92HD001 V 1.1 01/08 ...

Page 31

... Reserved Number of GPI pins supported Number of GPO pins supported Number of GPIO pins supported Payload Response 12 See bitfield table Description Amplifier is capable of muting Reserved Size of each step in the gain range = 1.5dB Reserved Number of steps in the gain range = 32 (-46.5dB to +0dB) 92HD001 V 1.1 01/08 ...

Page 32

... All Powered- => PR0, PR1 2: D2 => PR0, PR1, PR2, PR6, EAPD 3: D3 => PR6, PR5, PR3, PR2, PR1, PR0, EAPD Note: PR4 is not mapped in Azalia Payload 00 See bits [7:0] of bitfield table 92HD001 PC AUDIO Response See bitfield table 0000_0000h Response See bitfield table 0000_0000h ...

Page 33

... Polarity Control bit is zero (one). Data for GPIO2 (Pin 45). If this GPIO bit is configured as Sticky (edge-sensitive) input, it can be cleared by writing zero (one) here when the corresponding Polarity Control bit is zero (one). 92HD001 PC AUDIO Response V 1.1 01/08 ...

Page 34

... GPIO Direction control Enable for GPIO2: 0= pin is disabled (Hi-Z state); 1= pin is enabled; behavior determined by GPIO Direction control Enable for GPIO1: 0= pin is disabled (Hi-Z state); 1= pin is enabled; behavior determined by GPIO Direction control Enable for GPIO0: 0= pin is disabled (Hi-Z state); 1= pin is enabled; behavior determined by GPIO Direction control 92HD001 V 1.1 01/08 ...

Page 35

... Direction control for GPIO2 0= GPIO signal is configured as input 1= GPIO signal is configured as output Direction control for GPIO1 0= GPIO signal is configured as input 1= GPIO signal is configured as output Direction control for GPIO0 0= GPIO signal is configured as input 1= GPIO signal is configured as output Payload Response 00 See bitfield table 0000_0000h 92HD001 PC AUDIO V 1.1 01/08 ...

Page 36

... See bits [7:0] of bitfield table Description Reserved Unsolicited enable mask for GPIO3. If set, and the Unsolicited Response control for this widget has been enabled, an unsolicited response will be sent when GPIO3 is configured as input and changes state. 92HD001 PC AUDIO Response See bitfield table 0000_0000h V 1.1 01/08 ...

Page 37

... GPIOPolarity determines rising or falling edge sensitivity. GPIO2 input type (when configured as input): 0= Non-Sticky (level-sensitive); 1= Sticky (edge-sensitive). 0x0 Sticky inputs are cleared by writing zero to corresponding bit of GPIO Data register. GPIOPolarity determines rising or falling edge sensitivity. 92HD001 PC AUDIO Response See bitfield table 0000_0000h V 1.1 01/08 ...

Page 38

... Non-Sticky (level-sensitive); 1= Sticky (edge-sensitive). Sticky inputs are cleared by writing zero to corresponding bit of GPIO Data register. GPIOPolarity determines rising or falling edge sensitivity. Payload Response 00 See bitfield table 0000_0000h 0000_0000h 0000_0000h 0000_0000h Description Subsystem ID. (Any non-zero value) Assembly ID. (Not applicable to CODEC vendors) 92HD001 PC AUDIO V 1.1 01/08 ...

Page 39

... KHz / 44.1 KHz or less 001= x2 010= Reserved (x3) 011= x4 100-111= Reserved Sample Base Rate Divisor 000= Divide by 1 001= Divide by 2 010= Divide by 3 011= Divide by 4 100= Divide by 5 101= Divide by 6 110= Divide by 7 111= Divide by 8 Reserved 92HD001 PC AUDIO V 1.1 01/08 ...

Page 40

... Payload Response 09 See bitfield table Description Reserved Widget type = Audio Output Number of sample delays through widget Reserved No left/right channel swap capability Power State control is supported Widget supports an Analog stream No connection list is present No support for Unsolicited Response No Processing Controls parameter 92HD001 V 1.1 01/08 ...

Page 41

... Audio Function node instead No output amp No input amp Stereo widget Payload Response 00 See bitfield table 0000_0000h Description Reserved PS-Act: Actual power state of referenced node. Reserved PS-Set: Current power setting of referenced node Fully on Fully on Fully on Powered down. 92HD001 V 1.1 01/08 ...

Page 42

... Software-programmable integer representing link stream ID used by the converter widget. By convention stream 0 is reserved as unused. Integer representing lowest channel used by converter. Payload Response 0000 See bitfield table 0000_0000h Description Reserved Stream Type 0= PCM 1= Non-PCM (remaining bits in this verb have other meanings) 92HD001 PC AUDIO V 1.1 01/08 ...

Page 43

... Divide by 6 110= Divide by 7 111= Divide by 8 Reserved Bits per Sample 000= 8 bits 001= 16 bits 010= 20 bits 011= 24 bits 100-111= Reserved Number of Channels in each frame of the stream. 0000= 1 channel 0001 = 2 channels ... 1111= 16 channels Payload Response 09 See bitfield table 92HD001 V 1.1 01/08 ...

Page 44

... No support for striping No format info; use default format parameters from Audio Function node instead No amplifier info; use default amplifier parameters from Audio Function node instead No output amp No input amp Stereo widget Payload Response 0E See bitfield table 92HD001 V 1.1 01/08 ...

Page 45

... IDT CONFIDENTIAL Description Reserved. Connection list uses short-form (7-bit) NID entries. Number of NID entries in connection list. Payload Response 00 See bitfield table Description Unused list entry. Unused list entry. Unused list entry. ADC Mux widget. Payload Response 00 See bitfield table 0000_0000h 92HD001 PC AUDIO V 1.1 01/08 ...

Page 46

... Processing State = 01, 10, 11 (ON or BENIGN): ADC high pass filter is enabled. Payload Response 00 See bitfield table 0000_0000h Description Reserved PS-Act: Actual power state of referenced node. Reserved PS-Set: Current power setting of referenced node Fully on Fully on Fully on Powered down (default powered down) 92HD001 PC AUDIO V 1.1 01/08 ...

Page 47

... Software-programmable integer representing link stream ID used by the converter widget. By convention stream 0 is reserved as unused. Integer representing lowest channel used by converter Payload Response 0000 See bitfield table 0000_0000h Description Reserved N/A. (Stream Type) 0= PCM 1= Non-PCM Sample Base Rate 0= 48 KHz 1= 44.1 KHz 92HD001 PC AUDIO V 1.1 01/08 ...

Page 48

... Divide by 8 Reserved Bits per Sample 000= 8 bits 001= 16 bits 010= 20 bits 011= 24 bits 100-111= Reserved Number of Channels in each frame of the stream. 0000= 1 channel 0001 = 2 channels ... 1111= 16 channels Payload Response 09 See bitfield table Description Reserved Widget type = Audio Input 92HD001 PC AUDIO V 1.1 01/08 ...

Page 49

... Widget contains format info; software should query No amplifier info; use default amplifier parameters from Audio Function node instead No output amp No input amp Stereo widget Payload 0A Description 0x0 Reserved 0x0 32 bit audio formats are NOT supported 92HD001 PC AUDIO Response See bitfield table V 1.1 01/08 ...

Page 50

... KHz rate (2/1*44.1 KHz) NOT supported 48.0 KHz rate supported (REQUIRED) 44.1 KHz rate supported 32.0 KHz rate (2/3*48 KHz) NOT supported 22.05 KHz rate (1/2*44.1 KHz) NOT supported 16.0 KHz rate (1/3*48 KHz) NOT supported 11.025 KHz rate (1/4*44.0 KHz) NOT supported 8.0 KHz rate (1/6*48 KHz) NOT supported Payload Response 0B See bitfield table 92HD001 V 1.1 01/08 ...

Page 51

... No support for Float32 data. 0x1 PCM-formatted data supported. Payload 0E Description Reserved. Connection list uses short-form (7-bit) NID entries. Number of NID entries in connection list. Payload 00 Description Unused list entry. Unused list entry. 92HD001 PC AUDIO Response See bitfield table Response See bitfield table V 1.1 01/08 ...

Page 52

... Software-programmable integer representing link stream ID used by the converter widget. By convention stream 0 is reserved as unused. Integer representing lowest channel used by converter Payload 00 See bits [7:0] of bitfield table Description Reserved CC[6:0] - Category Code 92HD001 PC AUDIO Response See bitfield table 0000_0000h Response See bitfield table 0000_0000h 0000_0000h V 1.1 01/08 ...

Page 53

... Reserved (VCFG bit applies only to output streams Validity DigEn - Digital Enable Payload 0000 Description 0x0 Reserved Stream Type 0= PCM 0x0 1= Non-PCM (remaining bits in this verb have other meanings) Sample Base Rate 0x0 0= 48 KHz 1= 44.1 KHz 92HD001 PC AUDIO Response See bitfield table 0000_0000h V 1.1 01/08 ...

Page 54

... Divide by 6 110= Divide by 7 111= Divide by 8 Reserved Bits per Sample 000= 8 bits 001= 16 bits 010= 20 bits 011= 24 bits 100-111= Reserved Number of Channels in each frame of the stream. 0000= 1 channel 0001 = 2 channels ... 1111= 16 channels Payload Response 09 See bitfield table 92HD001 V 1.1 01/08 ...

Page 55

... No support for Unsolicited Response No Processing Controls parameter No support for striping Widget contains format info; software should query No amplifier info; use default amplifier parameters from Audio Function node instead No output amp No input amp Stereo widget Payload Response 0A See bitfield table 92HD001 PC AUDIO V 1.1 01/08 ...

Page 56

... KHz rate (2/1*44.1 KHz) supported 48.0 KHz rate supported (REQUIRED) 44.1 KHz rate supported 32.0 KHz rate (2/3*48 KHz) NOT supported 22.05 KHz rate (1/2*44.1 KHz) NOT supported 16.0 KHz rate (1/3*48 KHz) NOT supported 11.025 KHz rate (1/4*44.0 KHz) NOT supported 8.0 KHz rate (1/6*48 KHz) NOT supported Payload Response 0B See bitfield table 92HD001 V 1.1 01/08 ...

Page 57

... No support for Float32 data. PCM-formatted data supported. Payload Response 00 See bitfield table 0000_0000h Description Reserved Software-programmable integer representing link stream ID used by the converter widget. By convention stream 0 is reserved as unused. Integer representing lowest channel used by converter Payload Response 00 See bitfield table 0000_0000h 0000_0000h 92HD001 PC AUDIO V 1.1 01/08 ...

Page 58

... PC AUDIO Description Reserved Reserved CC[6:0] - Category Code L - Generation Level PRO - Professional /AUDIO - Non-Audio COPY - Copyright PRE - Preemphasis VCFG - Validity Config V - Validity DigEn - Digital Enable Payload Response 09 See bitfield table Description Reserved Widget type = Audio Selector Number of sample delays through widget Reserved 92HD001 V 1.1 01/08 ...

Page 59

... No amplifier info; use default amplifier 0x0 parameters from Audio Function node instead 0x0 No output amp 0x0 No input amp 0x1 Stereo widget Payload 0E Description Reserved. Connection list uses short-form (7-bit) NID entries. Number of NID entries in connection list. 92HD001 PC AUDIO Response See bitfield table V 1.1 01/08 ...

Page 60

... IDT CONFIDENTIAL Payload Response 00 See bitfield table 0000_0000h Description Reserved Connection select control index. Payload Response 00 See bitfield table Description Unused list entry. ADC Mux widget. SPDIF-In Pin widget. DAC Analog converter widget. Payload Response 00 See bitfield table 0000_0000h 92HD001 PC AUDIO V 1.1 01/08 ...

Page 61

... See bitfield table Description Reserved Widget type = Pin Complex Number of sample delays through widget Reserved No left/right channel swap capability Power State control is supported Widget supports a Digital stream No connection list is present Unsolicited Response is supported No Processing Controls parameter No support for striping N/A for pin complex 92HD001 V 1.1 01/08 ...

Page 62

... Pin complex does not have balanced pins. Pin complex is input capable. Pin complex is not output capable. (EAPD not equal to output stream) Pin does not have a headphone amplifier. Pin complex can perform Presence Detect. N/A Pin complex does not support impedance sense. 92HD001 PC AUDIO Response See bitfield table V 1.1 01/08 ...

Page 63

... PS-Act: Actual power state of referenced node. Reserved PS-Set: Current power setting of referenced node Fully on Fully on Fully on Powered down (default powered down) Payload Response 00 See bitfield table 0000_0000h Description Reserved 1= (CODEC) input path of Pin Widget is enabled Reserved 92HD001 PC AUDIO V 1.1 01/08 ...

Page 64

... Description Reserved Allow generation of Unsolicited Responses. Unsolicited response events occur upon lock or loss-of-lock by SPDIF-in clock recovery circuit. Reserved. Software programmable field returned in top six bits (31:26) of every Unsolicited Response generated by this node. Payload Response 00 See bitfield table 0000_0000h 0000_0000h 92HD001 PC AUDIO V 1.1 01/08 ...

Page 65

... Description Reserved EAPD value reflected on the EAPD pin. 0= power down external amp; 1= power up external amp if PwrState < 0x2. If PwrState >= 0x2, Pin47 is Hi-Z. An external pull-down is required if EAPD must be low when Pin Widget is powered down. Reserved Payload Response 00 See bitfield table 0000_0000h 92HD001 PC AUDIO V 1.1 01/08 ...

Page 66

... Color of physical jack White Misc[0] == Jack Detect override. Default Association for Pin Complex groups. Reserved value 0000b should not be used. Value 1111b indicates lowest priority. All Widgets in an association must have unique sequence number. Payload Response 09 See bitfield table 92HD001 PC AUDIO V 1.1 01/08 ...

Page 67

... Widget supports a Digital stream Connection list is present No support for Unsolicited Response No Processing Controls parameter No support for striping N/A for pin complex No amplifier info; use default amplifier parameters from Audio Function node instead No output amp No input amp Stereo widget Payload Response 0C See bitfield table 92HD001 V 1.1 01/08 ...

Page 68

... Pin complex is output capable. Pin does not have a headphone amplifier. Pin complex cannot perform Presence Detect. N/A Pin complex does not support impedance sense. Payload 0E Description Reserved. Connection list uses short-form (7-bit) NID entries. Number of NID entries in connection list. 92HD001 PC AUDIO Response See bitfield table V 1.1 01/08 ...

Page 69

... IDT CONFIDENTIAL Payload Response 00 See bitfield table 0000_0000h Description Reserved Connection select control index. Payload Response 00 See bitfield table Description Unused list entry. Unused list entry. ADC Mux widget. SPDIF Out converter widget. Payload Response 00 See bitfield table 0000_0000h 92HD001 PC AUDIO V 1.1 01/08 ...

Page 70

... Physical location of the jack. Optical jack at 0x01 mainboard rear. Default Device, indicating intended use of jack. 0x4 4 = SPDIF Out 0x5 Connection Type optical 0x1 Color of physical jack Black 0x0 Misc[0] == Jack Detect override. 92HD001 PC AUDIO Response See bitfield table 0000_0000h 0000_0000h 0000_0000h 0000_0000h V 1.1 01/08 ...

Page 71

... Reserved value 0000b should not be used. Value 1111b indicates lowest priority. All Widgets in an association must have unique sequence number. Payload Response 00 See bitfield table 0000_0000h Description Reserved 1= mute is active Reserved Amplifier gain step number Payload Response 00 See bitfield table 0000_0000h 92HD001 PC AUDIO V 1.1 01/08 ...

Page 72

... Left and right channels can be swapped No support for Power State control Widget supports an Analog stream Connection list is present No support for Unsolicited Response No Processing Controls parameter. No support for striping No format info; use default format parameters from Audio Function node instead 92HD001 PC AUDIO Response See bitfield table V 1.1 01/08 ...

Page 73

... No input amp Stereo widget Payload 12 See bitfield table Description Amplifier is capable of muting Reserved Size of each step in the gain range = 1.5dB Reserved Number of steps in the gain range = 16 (0dB to +22.5dB) Reserved 0dB-step is programmed with this offset Payload 0E See bitfield table 92HD001 PC AUDIO Response Response V 1.1 01/08 ...

Page 74

... Connection list uses short-form (7-bit) NID entries. Number of NID entries in connection list. Payload 00 Description Unused list entry. Unused list entry. Unused list entry. Input Port (UnivJack) Mux widget. Payload 00 Description 0x0 Reserved 92HD001 PC AUDIO Response See bitfield table Response See bitfield table 0000_0000h V 1.1 01/08 ...

Page 75

... Verb ID BA0 3A0 See bits [7:0] of bitfield table 75 IDT CONFIDENTIAL Description 1= swap left and right channels of this Widget. Reserved Payload Response 00 See bitfield table 0000_0000h Description Reserved 1= mute is active Reserved Amplifier gain step number Payload Response 00 See bitfield table 0000_0000h 92HD001 PC AUDIO V 1.1 01/08 ...

Page 76

... Number of sample delays through widget Reserved No left/right channel swap capability No support for Power State control Widget supports an Analog stream Connection list is present No support for Unsolicited Response No Processing Controls parameter. No support for striping No format info; use default format parameters from Audio Function node instead 92HD001 V 1.1 01/08 ...

Page 77

... Output amp is present 0x0 No input amp 0x1 Stereo widget Payload 0E Description Reserved Connection list uses short-form (7-bit) NID entries. Number of NID entries in connection list. Payload 00 Description Unused list entry. Unused list entry. 92HD001 PC AUDIO Response See bitfield table Response See bitfield table V 1.1 01/08 ...

Page 78

... Bitfield Name RW Reset Rsvd R 0x0 Gain RW 0x0 78 IDT CONFIDENTIAL Description Unused list entry. DAC Mux widget. Payload Response 00 See bitfield table 0000_0000h Description Reserved Amplifier gain step number Payload Response 00 See bitfield table 0000_0000h Description Reserved Amplifier gain step number 92HD001 PC AUDIO V 1.1 01/08 ...

Page 79

... Widget supports an Analog stream Connection list is present No support for Unsolicited Response No Processing Controls parameter. No support for striping No format info; use default format parameters from Audio Function node instead This widget contains its own amplifier parameters. Output amp is present No input amp Stereo widget 92HD001 PC AUDIO V 1.1 01/08 ...

Page 80

... Connection list uses short-form (7-bit) NID entries. Number of NID entries in connection list. Payload Response 12 See bitfield table Description No mute capability Reserved Size of each step in the gain range = 10dB Reserved Number of steps in the gain range = 5 (0dB to +40dB) Reserved 0dB-step is programmed with this offset 92HD001 PC AUDIO V 1.1 01/08 ...

Page 81

... Verb ID F02 81 IDT CONFIDENTIAL Payload Response 00 See bitfield table 0000_0000h Description Reserved Connection select control index. Payload Response 00 See bitfield table Description Port A pin widget. Port D pin widget. Port C pin widget. Port B pin widget. Payload Response 04 See bitfield table 92HD001 PC AUDIO V 1.1 01/08 ...

Page 82

... See bitfield table Description Reserved Widget type = Pin Complex Number of sample delays through widget Reserved No left/right channel swap capability No support for Power State control Widget supports an Analog stream Connection list is present Unsolicited Response is supported No Processing Controls parameter No support for striping 92HD001 V 1.1 01/08 ...

Page 83

... Pin complex does not have balanced pins. Pin complex is input capable. Pin complex is output capable. Pin complex has headphone amplifier. Pin complex can perform Presence Detect. Trigger is required for impedance measurement Pin complex supports impedance sense. 92HD001 PC AUDIO Response See bitfield table V 1.1 01/08 ...

Page 84

... See bitfield table Description Reserved. Connection list uses short-form (7-bit) NID entries. Number of NID entries in connection list. Payload Response 00 See bitfield table Description Unused list entry. Unused list entry. Unused list entry. Master Volume widget. Payload Response 00 See bitfield table 0000_0000h 92HD001 PC AUDIO V 1.1 01/08 ...

Page 85

... Description 0x00 Reserved Allow generation of Unsolicited Responses. Unsolicited response events occur upon 0x0 jack-insertion OR completion of a Jack-Sense cycle. 0x0 Reserved Software programmable field returned in top six 0x00 bits (31:26) of every Unsolicited Response generated by this node. 92HD001 PC AUDIO Response See bitfield table 0000_0000h V 1.1 01/08 ...

Page 86

... Overlaps RightCh. Set 1= perform impedance sensing on right channel or ring of the connector Set 0= perform impedance sensing on left channel or tip of the connector Payload 00 See bits [7:0] of bitfield table 92HD001 PC AUDIO Response See bitfield table 0000_0000h 0000_0000h Response See bitfield table 0000_0000h ...

Page 87

... Value 1111b indicates lowest priority. All Widgets in an association must have unique sequence number. Payload 09 Description 0x0 Reserved 0x4 Widget type = Pin Complex 0x0 Number of sample delays through widget 0x0 Reserved 0x0 No left/right channel swap capability 92HD001 PC AUDIO Response See bitfield table V 1.1 01/08 ...

Page 88

... Audio Function node instead. No output amp No input amp Stereo widget Payload Response 0C See bitfield table Description Reserved2 This widget does not control EAPD pin VRef generation not supported by this pin complex. Reserved Pin complex does not have balanced pins. 92HD001 PC AUDIO V 1.1 01/08 ...

Page 89

... Pin complex can perform Presence Detect. Trigger is required for impedance measurement Pin complex supports impedance sense. Payload Response 0E See bitfield table Description Reserved. Connection list uses short-form (7-bit) NID entries. Number of NID entries in connection list. Payload Response 00 See bitfield table 92HD001 PC AUDIO V 1.1 01/08 ...

Page 90

... Master Volume widget. Payload Response 00 See bitfield table 0000_0000h Description Reserved 1= enable the low impedance amplifier associated with the output 1= (CODEC) output path of Pin Widget is enabled 1= (CODEC) input path of Pin Widget is enabled Reserved Payload Response 00 See bitfield table 0000_0000h 92HD001 PC AUDIO V 1.1 01/08 ...

Page 91

... Overlaps RightCh. Set 1= perform impedance sensing on right channel or ring of the connector Set 0= perform impedance sensing on left channel or tip of the connector 92HD001 PC AUDIO Response See bitfield table 0000_0000h 0000_0000h V 1.1 01/08 ...

Page 92

... Color of physical jack Green Misc[0] = Jack Detect override. Default Association for Pin Complex groups. Reserved value 0000b should not be used. Value 1111b indicates lowest priority. All Widgets in an association must have unique sequence number. Payload Response 09 See bitfield table 92HD001 PC AUDIO V 1.1 01/08 ...

Page 93

... Widget supports an Analog stream Connection list is present Unsolicited Response is supported No Processing Controls parameter No support for striping N/A for pin complex No amplifier info; use default amplifier parameters from Audio Function node instead. No output amp No input amp Stereo widget Payload Response 0C See bitfield table 92HD001 V 1.1 01/08 ...

Page 94

... Pin does not have a headphone amplifier. Pin complex can perform Presence Detect. Trigger is required for impedance measurement Pin complex supports impedance sense. Payload Response 0E See bitfield table Description Reserved Connection list uses short-form (7-bit) NID entries. Number of NID entries in connection list. 92HD001 PC AUDIO V 1.1 01/08 ...

Page 95

... Unused list entry. 0x00 Unused list entry. 0x00 Unused list entry. Master Volume widget. Payload 00 Description Reserved 1= (CODEC) output path of Pin Widget is enabled 1= (CODEC) input path of Pin Widget is enabled Reserved 92HD001 PC AUDIO Response See bitfield table Response See bitfield table 0000_0000h V 1.1 01/08 ...

Page 96

... Response 00 See bitfield table 0000_0000h 0000_0000h Description 1= something is plugged into jack associated with Pin Complex. Measured impedance of the widget. A value of all 1's indicates that a valid sense reading is not available, or the sense measurement is busy if it has been recently triggered. Overlaps RightCh. 92HD001 PC AUDIO V 1.1 01/08 ...

Page 97

... Description External Port Connectivity of the Pin Complex Port Complex is connected to a jack Physical location of the jack. 03h = Mainboard, Rear Default Device, indicating intended use of jack Line In Connection Type 1/8 inch jack Color of physical jack Blue Misc[0] = Jack Detect override. 92HD001 PC AUDIO V 1.1 01/08 ...

Page 98

... Description Reserved Widget type = Pin Complex Number of sample delays through widget Reserved No left/right channel swap capability No support for Power State control Widget supports an Analog stream Connection list is present Unsolicited Response is supported No Processing Controls parameter No support for striping N/A for pin complex 92HD001 V 1.1 01/08 ...

Page 99

... Pin complex does not have balanced pins. Pin complex is input capable. Pin complex is output capable. Pin does not have a headphone amplifier. Pin complex can perform Presence Detect. Trigger is required for impedance measurement Pin complex supports impedance sense. 92HD001 PC AUDIO Response See bitfield table V 1.1 01/08 ...

Page 100

... See bitfield table Description Reserved. Connection list uses short-form (7-bit) NID entries. Number of NID entries in connection list. Payload Response 00 See bitfield table Description Unused list entry. Unused list entry. Unused list entry. Master Volume widget. Payload Response 00 See bitfield table 0000_0000h 92HD001 PC AUDIO V 1.1 01/08 ...

Page 101

... Payload Response 00 See bitfield table 0000_0000h Description Reserved Allow generation of Unsolicited Responses. Unsolicited response events occur upon jack-insertion OR completion of a Jack-Sense cycle. Reserved Software programmable field returned in top six bits (31:26) of every Unsolicited Response generated by this node. 92HD001 PC AUDIO V 1.1 01/08 ...

Page 102

... See bits [7:0] of bitfield table 71D See bits [15:8] of bitfield table 71E See bits [23:16] of bitfield table 71F See bits [31:24] of bitfield table 102 IDT CONFIDENTIAL Payload Response 00 See bitfield table 0000_0000h 0000_0000h Description Payload Response 00 See bitfield table 0000_0000h 0000_0000h 0000_0000h 0000_0000h 92HD001 PC AUDIO V 1.1 01/08 ...

Page 103

... Table 241. MonoOutPin Vol Command Response Format Bitfield Name RW Reset Rsvd2 R Mute RW Rsvd1 R Gain RW 103 IDT CONFIDENTIAL Description Payload 00 See bits [7:0] of bitfield table Description 0x0 Reserved 0x1 1= mute is active 0x0 Reserved 0x1F Mono (left) amplifier gain step number 92HD001 PC AUDIO Response See bitfield table 0000_0000h V 1.1 01/08 ...

Page 104

... No support for Power State control Widget supports an Analog stream Connection list is present No support for Unsolicited Response No Processing Controls parameter No support for striping N/A for pin complex No amplifier info; use default amplifier parameters from Audio Function node instead. Output amp is present No input amp Mono widget 92HD001 V 1.1 01/08 ...

Page 105

... Pin complex does not have balanced pins. Pin complex is not input capable. Pin complex is output capable. Pin does not have a headphone amplifier. Pin complex cannot perform Presence Detect. N/A Pin complex does not support impedance sense. Payload Response 0E See bitfield table 92HD001 V 1.1 01/08 ...

Page 106

... IDT CONFIDENTIAL Description Reserved Connection list uses short-form (7-bit) NID entries. Number of NID entries in connection list. Payload Response 00 See bitfield table Description Unused list entry. Unused list entry. Unused list entry. MonoOut Mix widget. Payload Response 00 See bitfield table 0000_0000h 92HD001 PC AUDIO V 1.1 01/08 ...

Page 107

... Description External Port Connectivity of the Pin Complex physical connection Physical location of the jack. 10h = Internal, N/A Default Device, indicating intended use of jack Speaker Connection Type Other Analog Color of physical jack Unknown Misc[0] = Jack Detect override. 92HD001 PC AUDIO V 1.1 01/08 ...

Page 108

... Reserved Widget type = Pin Complex Number of sample delays through widget Reserved No left/right channel swap capability No support for Power State control Widget supports an Analog stream No connection list is present No support for Unsolicited Response No Processing Controls parameter No support for striping N/A for pin complex 92HD001 V 1.1 01/08 ...

Page 109

... VRef generation not supported by this pin complex. Reserved Pin complex does not have balanced pins. Pin complex is input capable. Pin complex is not output capable. Pin does not have a headphone amplifier. Pin complex cannot perform Presence Detect. N/A Pin complex does not support impedance sense. 92HD001 V 1.1 01/08 ...

Page 110

... Pin Widget is enabled (un-muted) Reserved Payload Response 00 See bitfield table 0000_0000h 0000_0000h 0000_0000h 0000_0000h Description External Port Connectivity of the Pin Complex fixed function device Physical location of the jack. 10h = Internal, N/A Default Device, indicating intended use of jack 92HD001 PC AUDIO V 1.1 01/08 ...

Page 111

... Payload Response 09 See bitfield table Description Reserved Widget type = Audio Mixer Number of sample delays through widget Reserved Swapping of left and right channels not supported No support for Power State control Widget supports an Analog stream Connection list is present No support for Unsolicited Response 92HD001 V 1.1 01/08 ...

Page 112

... No amplifier info; use default amplifier parameters from Audio Function node instead No output amp No input amp Mono widget Payload Response 0E See bitfield table Description Reserved. Connection list uses short-form (7-bit) NID entries. Number of NID entries in connection list. Payload Response 00 See bitfield table 92HD001 V 1.1 01/08 ...

Page 113

... F00 113 IDT CONFIDENTIAL Description Unused list entry. Unused list entry. Unused list entry. DAC Mux widget. Payload Response 00 See bitfield table 0000_0000h Description Reserved 1= mute is active Reserved Mono (left) amplifier gain step number Payload Response 09 See bitfield table 92HD001 PC AUDIO V 1.1 01/08 ...

Page 114

... Output amp is present 0x0 N/A 0x0 Mono widget Payload 12 Description Amplifier is capable of muting Reserved Size of each step in the gain range = 6 dB Reserved Number of steps in the gain range = 4 (-18dB to 0dB) Reserved 0dB-step is programmed with this offset 92HD001 PC AUDIO Response See bitfield table V 1.1 01/08 ...

Page 115

... KHz (logarithmic scale). Instead, this part generates tones with frequency = 48000 * (257 - Divider) / 1024, yielding a linear range from 12 KHz to 93. steps of 46.875 Hz. If JackSenseVSR[Rate2x], then the beep tones generated have frequency = 48000 * (513 - Divider) / 1024, yielding a range of 24 KHz to 12093. steps of 46.875 Hz. 92HD001 PC AUDIO V 1.1 01/08 ...

Page 116

... ORDERING INFORMATION 6.1. 92HD001 Family Options and Part Order Numbers NOTE: When ordering these parts the “yy” will be replaced with the CODEC revision. Add an “8” to the end of any of these part numbers for delivery on Tape and Reel. The minimum order quantity for Tape and Reel is 2,000. ...

Page 117

... PIN INFORMATION 7.1. Pin Out MONO_OUT 37 AVDD2 38 HP_OUT_L 39 N.C. 40 HP_OUT_R 41 AVSS2 42 N.C. 43 N.C. 44 GPIO2 45 N.C. 46 SPDIF_IN/EAPD/GPIO3 47 SPDIF_OUT 48 N. Connect IDT™ 2-CHANNEL HIGH DEFINITION AUDIO CODEC 24 LINE_IN_R 23 LINE_IN_L 22 MIC_R 21 MIC_L 20 CD_R 19 N.C. 48 pin LQFP 18 CD_L 17 N.C. 16 N.C. 15 N.C. 14 N.C. 13 SENSE_A 117 IDT CONFIDENTIAL PC AUDIO 92HD001 V 1.1 01/08 ...

Page 118

... I(Analog) None I/O(Analog) None I/O(Analog) None I/O(Analog) None I/O(Analog) None - - I(Analog) None I(Analog) None O(Analog) None - - - - - - O(Analog) None I/O(Analog) Pull-up 50 KΩ I/O(Analog) Pull-up 50 KΩ 92HD001 ...

Page 119

... IDT CONFIDENTIAL PC AUDIO Internal LQFP I/O Pull-up/ 48-pin Pull-down Location I/O(Analog) None I/O(Analog) None O(Analog) None I(Analog) None I/O(Analog) None - - I/O(Analog) None I(Analog) None - - - - I/O(Digital) Pull-up 50 KΩ I/O(Digital) None 50 KΩ internal O(Digital) pull-down 92HD001 1.1 01/08 ...

Page 120

... LQFP Figure 5. 48-Pin LQFP Package Outline and Package Dimensions pin LQFP Pin 1 IDT™ 2-CHANNEL HIGH DEFINITION AUDIO CODEC 120 IDT CONFIDENTIAL LQFP Dimensions in mm Key Min Nom A 1.40 1.50 A1 0.05 0.10 A2 1.35 1.40 D 8.80 9.00 D1 6.90 7.00 E 8.80 9.00 E1 6.90 7.00 L 0.45 0.60 e 0. 0.17 0.22 92HD001 PC AUDIO Max 1.60 0.15 1.45 9.20 7.10 9.20 7.10 0.75 0.20 0.27 V 1.1 01/08 ...

Page 121

... Time ( 180 seconds min max o Temperature (T ) 217 C L Time ( 150 seconds L See “Package Classification Reflow Temperatures” on page 122 seconds o Ramp-Down rate second max 8 minutes max Figure 6. Solder Reflow Profile 121 IDT CONFIDENTIAL PC AUDIO Pb Free Assembly 92HD001 V 1.1 01/08 ...

Page 122

... HIGH DEFINITION AUDIO CODEC 9.2. Pb Free Process - Package Classification Reflow Temperatures IDT™ 2-CHANNEL HIGH DEFINITION AUDIO CODEC Package Type LQFP 48-pin 122 IDT CONFIDENTIAL MSL Reflow Temperature 3 260 92HD001 PC AUDIO 1.1 01/08 ...

Page 123

... HIGH DEFINITION AUDIO CODEC 10. REVISION HISTORY Revision Date 1.0 December 2006 Initial release 1.1 January 2008 Removed 92HD001D, Dolby option. EOL issued Jan 2008. IDT™ 2-CHANNEL HIGH DEFINITION AUDIO CODEC Description of Change 123 92HD001 IDT CONFIDENTIAL PC AUDIO V 1.1 01/08 ...

Page 124

... HIGH DEFINITION AUDIO CODEC Innovate with IDT audio for high fidelity. Contact: www.IDT.com For Sales 800-345-7015 408-284-8200 Fax: 408-284-2775 Corporate Headquarters Integrated Device Technology, Inc. 6024 Silver Creek Valley Road San Jose, CA 95138 United States 800 345 7015 +408 284 8200 (outside U.S.) © ...

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