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92HD88 の電気的特性と機能

92HD88のメーカーはIDTです、この部品の機能は「Single Chip PC Audio System」です。


製品の詳細 ( Datasheet PDF )

部品番号 92HD88
部品説明 Single Chip PC Audio System
メーカ IDT
ロゴ IDT ロゴ 




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92HD88 Datasheet, 92HD88 PDF,ピン配置, 機能
DATASHEET
SINGLE CHIP PC AUDIO SYSTEM
CODEC+MONO SPEAKER AMPLIFIER+CAPLESS HP+LDO
92HD88
Description
Features
The 92HD88 single-chip audio system is a low power
optimized, high fidelity, 4-channel audio codec with
integrated mono speaker amplifier, capless headphone
amplifier, and low drop out voltage regulator.
The high integration of the 92HD88 enables the smallest
PCB footprint with the lowest system BOM count and cost.
The 92HD88 provides high quality HD Audio capability to
notebook and business desktop PC applications.
• 4 Channels (2 stereo DACs and 2 stereo ADCs) with
24-bit resolution
• Supports full-duplex stereo audio and simultaneous VoIP
• Provides a mono output
• 2W mono speaker amplifier @ 4 ohms and 4.75V
• Two headphone amplifiers
• One capless and one non-capless retaskable
• Internal core voltage regulator
• +5 V analog power supply option
• Dedicated BTL high pass filter for speaker
protection (RA revision only)
• Full ECR15B low power support
• Audio inactivity transitions codec from D0 to D3 low
power mode
• Resume from D3 to D0 with audio activity in < 10 msec
• D3 to D0 transition with < -65dB pop/click
• Port presence detect in D3 with or without bit clock
• Optional analog PC beep in D3
• Additional vendor specific modes for even lower power
• Microsoft WLP premium logo compliant, as defined
in WLP 3.9
http://www.DataSheet4U.net/
• Dual SPDIF for WLP compliant support of
simultaneous HDMI and SPDIF output
• Support for 1.5V and 3.3V HDA signaling
• Two digital microphone inputs (mono, stereo, or
quad microphones)
• Aux Audio Mode (see orderable part numbers for support)
• High performance analog mixer
• 2 adjustable VREF Out pins for analog microphone
bias
• 5 analog ports with port presence detect (4 single
ended, 1 BTL)
• Analog and digital PC Beep support
• 40-pad QFN RoHS packages
IDT CONFIDENTIAL
©2009 INTEGRATED DEVICE TECHNOLOGY, INC.
1
V 0.995 01/11
92HD88
datasheet pdf - http://www.DataSheet4U.net/

1 Page





92HD88 pdf, ピン配列
92HD88
SINGLE CHIP PC AUDIO SYSTEM, CODEC+MONO SPEAKER AMPLIFIER+CAPLESS HP+LDO
TABLE OF CONTENTS
1. DESCRIPTION ........................................................................................................................ 11
1.1. Overview ..........................................................................................................................................11
1.2. Orderable Part Numbers ..................................................................................................................11
2. DETAILED DESCRIPTION ..................................................................................................... 12
2.1. Port Functionality .............................................................................................................................12
2.1.1. Port Characteristics ............................................................................................................12
2.1.2. Vref_Out .............................................................................................................................13
2.1.3. Jack Detect ........................................................................................................................13
2.1.4. SPDIF Output .....................................................................................................................14
2.2. Mono Output ....................................................................................................................................16
2.3. Analog Mixer ....................................................................................................................................17
2.4. ADC Multiplexers .............................................................................................................................17
2.5. Power Management .........................................................................................................................17
2.6. AFG D0 ............................................................................................................................................18
2.7. AFG D1 ............................................................................................................................................18
2.8. AFG D2 ............................................................................................................................................18
2.9. AFG D3 ............................................................................................................................................19
2.9.1. AFG D3cold .......................................................................................................................19
2.10. Vendor Specific Function Group Power States D4/D5 ..................................................................19
2.11. Low-voltage HDA Signaling ...........................................................................................................20
2.12. Multi-channel capture ....................................................................................................................20
2.13. Digital Microphone Support ...........................................................................................................22
2.14. Analog PC-Beep ............................................................................................................................27
2.15. Digital PC-Beep .............................................................................................................................27
2.16. Headphone Drivers ........................................................................................................................27
2.17. EAPD .............................................................................................................................................28
2.18. BTL Amplifier .................................................................................................................................31
2.19. BTL Amplifier High-Pass Filter .......................................................................................................31
2.19.1. Filter Description ......................................http.://ww.w.Da.taShe.et4U..net/................................................................... 31
2.20. GPIO ..............................................................................................................................................32
2.20.1. GPIO Pin mapping and shared functions .........................................................................32
2.20.2. SPDIF/Digital Microphone/GPIO Selection ......................................................................32
2.20.3. Digital Microphone/GPIO Selection .................................................................................32
2.21. HD Audio HDA015-B support ........................................................................................................33
2.22. Digital Core Voltage Regulator ......................................................................................................33
2.23. Aux Audio Support .........................................................................................................................33
2.23.1. General conditions in Aux Audio Mode: ...........................................................................34
2.23.2. “Playback Path” Port Behavior .........................................................................................34
2.23.3. When Port E presence detect = 0 ....................................................................................34
2.23.4. When Port E presence detect = 1 ....................................................................................35
2.23.5. SYSTEM DIAGRAMS ......................................................................................................36
2.23.6. EAPD ...............................................................................................................................37
2.23.7. Analog PC_Beep .............................................................................................................37
2.23.8. Firmware/Software Requirements: ...................................................................................37
3. CHARACTERISTICS ............................................................................................................... 38
3.1. Electrical Specifications ...................................................................................................................38
3.1.1. Absolute Maximum Ratings ...............................................................................................38
3.1.2. Recommended Operating Conditions ................................................................................38
3.2. 92HD88 Analog Performance Characteristics .................................................................................39
3.3. AC Timing Specs .............................................................................................................................43
3.3.1. HD Audio Bus Timing .........................................................................................................43
3.3.2. SPDIF Timing .....................................................................................................................44
3.3.3. Digital Microphone Timing .................................................................................................44
3.3.4. Class-AB BTL Amplifier Performance ................................................................................45
3.3.5. Capless Headphone Supply Characteristics ......................................................................45
4. FUNCTIONAL BLOCK DIAGRAMS ....................................................................................... 46
5. WIDGET INFORMATION AND SUPPORTED COMMAND VERBS ....................................... 47
IDT CONFIDENTIAL
©2009 INTEGRATED DEVICE TECHNOLOGY, INC.
3
V 0.995 01/11
92HD88
datasheet pdf - http://www.DataSheet4U.net/


3Pages


92HD88 電子部品, 半導体
92HD88
SINGLE CHIP PC AUDIO SYSTEM, CODEC+MONO SPEAKER AMPLIFIER+CAPLESS HP+LDO
7.14. DAC0 (NID = 13h): WCap ............................................................................................................144
7.14.1. DAC0 (NID = 13h): Cnvtr ...............................................................................................145
7.14.2. DAC0 (NID = 13h): ProcState (RA revision only) ...........................................................146
7.14.3. DAC0 (NID = 13h): OutAmpLeft .....................................................................................147
7.14.4. DAC0 (NID = 13h): OutAmpRight ..................................................................................147
7.14.5. DAC0 (NID = 13h): PwrState .........................................................................................148
7.14.6. DAC0 (NID = 13h): CnvtrID ............................................................................................149
7.14.7. DAC0 (NID = 13h): EAPDBTLLR ...................................................................................149
7.14.8. DAC0 (NID = 13h): ProcIndex (RA revision only) ..........................................................150
7.15. DAC1 (NID = 14h): WCap ............................................................................................................150
7.15.1. DAC1 (NID = 14h): Cnvtr ...............................................................................................152
7.15.2. DAC1 (NID = 14h): ProcState (RA revision only) ...........................................................153
7.15.3. DAC1 (NID = 14h): OutAmpLeft .....................................................................................154
7.15.4. DAC1 (NID = 14h): OutAmpRight ..................................................................................154
7.15.5. DAC1 (NID = 14h): PwrState .........................................................................................154
7.15.6. DAC1 (NID = 14h): CnvtrID ............................................................................................155
7.15.7. DAC1 (NID = 14h): EAPDBTLLR ...................................................................................156
7.15.8. DAC1 (NID = 14h): ProcIndex (RA revision only) ..........................................................156
7.16. DAC2 (NID = 22h): WCap ............................................................................................................157
7.16.1. DAC2 (NID = 22h): Cnvtr ...............................................................................................158
7.16.2. DAC2 (NID = 22h): OutAmpLeft .....................................................................................160
7.16.3. DAC2 (NID = 22h): OutAmpRight ..................................................................................160
7.16.4. DAC2 (NID = 22h): PwrState .........................................................................................160
7.16.5. DAC2 (NID = 22h): CnvtrID ............................................................................................161
7.16.6. DAC2 (NID = 22h): EAPDBTLLR ...................................................................................162
7.17. ADC0 (NID = 15h): WCap ............................................................................................................162
7.17.1. ADC0 (NID = 15h): ConLst ............................................................................................164
7.17.2. ADC0 (NID = 15h): ConLstEntry0 ..................................................................................164
7.17.3. ADC0 (NID = 15h): Cnvtr ...............................................................................................165
7.17.4. ADC0 (NID = 15h): ProcState ........................................................................................166
7.17.5. ADC0 (NID = 15h): PwrState ...................http.://ww.w.D.ataSh.eet4U..net/................................................................. 167
7.17.6. ADC0 (NID = 15h): CnvtrID ............................................................................................168
7.18. ADC1 (NID = 16h): WCap ............................................................................................................168
7.18.1. ADC1 (NID = 16h): ConLst ............................................................................................170
7.18.2. ADC1 (NID = 16h): ConLstEntry0 ..................................................................................170
7.18.3. ADC1 (NID = 16h): Cnvtr ...............................................................................................171
7.18.4. ADC1 (NID = 16h): ProcState ........................................................................................172
7.18.5. ADC1 (NID = 16h): PwrState .........................................................................................172
7.18.6. ADC1 (NID = 16h): CnvtrID ............................................................................................173
7.19. ADC0Mux (NID = 17h): WCap .....................................................................................................174
7.19.1. ADC0Mux (NID = 17h): ConLst ......................................................................................175
7.19.2. ADC0Mux (NID = 17h): ConLstEntry4 ...........................................................................176
7.19.3. ADC0Mux (NID = 17h): ConLstEntry0 ...........................................................................176
7.19.4. ADC0Mux (NID = 17h): OutAmpCap .............................................................................177
7.19.5. ADC0Mux (NID = 17h): OutAmpLeft ..............................................................................178
7.19.6. ADC0Mux (NID = 17h): OutAmpRight ...........................................................................178
7.19.7. ADC0Mux (NID = 17h): ConSelectCtrl ...........................................................................179
7.19.8. ADC0Mux (NID = 17h): PwrState ..................................................................................179
7.19.9. ADC0Mux (NID = 17h): EAPDBTLLR ............................................................................180
7.20. ADC1Mux (NID = 18h): WCap .....................................................................................................181
7.20.1. ADC1Mux (NID = 18h): ConLst ......................................................................................182
7.20.2. ADC1Mux (NID = 18h): ConLstEntry4 ...........................................................................183
7.20.3. ADC1Mux (NID = 18h): ConLstEntry0 ...........................................................................183
7.20.4. ADC1Mux (NID = 18h): OutAmpCap .............................................................................184
7.20.5. ADC1Mux (NID = 18h): OutAmpLeft ..............................................................................185
7.20.6. ADC1Mux (NID = 18h): OutAmpRight ...........................................................................185
7.20.7. ADC1Mux (NID = 18h): ConSelectCtrl ...........................................................................186
7.20.8. ADC1Mux (NID = 18h): PwrState ..................................................................................186
7.20.9. ADC1Mux (NID = 18h): EAPDBTLLR ............................................................................187
IDT CONFIDENTIAL
©2009 INTEGRATED DEVICE TECHNOLOGY, INC.
6
V 0.995 01/11
92HD88
datasheet pdf - http://www.DataSheet4U.net/

6 Page



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