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PDF ( 数据手册 , 数据表 ) 92HD91

零件编号 92HD91
描述 SINGLE CHIP PC AUDIO SYSTEM
制造商 IDT
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92HD91 数据手册, 描述, 功能
SINGLE CHIP PC AUDIO SYSTEM
CODEC+SPEAKER AMPLIFIER+CAPLESS HP+LDO
Description
The 92HD91 single-chip audio system is a low power
optimized, high fidelity, 4-channel audio codec with
integrated speaker amplifier, capless headphone amplifier,
and low drop out voltage regulator.
The high integration of the 92HD91 enables the smallest
PCB footprint with the lowest system BOM count and cost.
92HD91 provides high quality HD Audio capability to
notebook and business desktop PC applications.
DATASHEET
92HD91
Features
• 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
• 2.1 audio crossover support
• 2W/channel Class-D stereo BTL speaker amplifier
@ 4 ohms and 5V
• 10 band hardware parametric equalizer
• Hardware compressor limiter
• Capless headphone amplifier with charge
pump/LDO
• Combo Jack Support allowing for dual-function
headphone and headset detection
• Speaker Protection
• Dedicated BTL high pass filter
• Mono bandpass filter
• Full HDA015-B low power support
• Internal digital core LDO voltage regulator
• Microsoft WLP desktop premium logo compliant
www.DataSheet.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)
• Microphone Mute Input (on WB revisions and
beyond)
• High performance analog mixer
• 2 adjustable VREF Out pins for analog microphone
bias
• 6 analog ports with port presence detect (5 single
ended, 1 BTL)
• Analog and digital PC Beep support
• AUX Audio Mode for playback and record
• 48-pad QFN RoHS packages
IDT™ CONFIDENTIAL
©2009 INTEGRATED DEVICE TECHNOLOGY, INC.
1
V 1.2 1/12
92HD91
Datasheet pdf - http://www.DataSheet4U.co.kr/







92HD91 pdf, 数据表
92HD91
SINGLE CHIP PC AUDIO SYSTEM, CODEC+SPEAKER AMPLIFIER+CAPLESS HP+LDO
7.24.8. SPDIFOut0 (NID = 1Dh): CnvtrID ..................................................................................243
7.24.9. SPDIFOut0 (NID = 1Dh): DigCnvtr ................................................................................244
7.25. SPDIFOut1 (NID = 1Eh): WCap ..................................................................................................245
7.25.1. SPDIFOut1 (NID = 1Eh): PCMCap ................................................................................246
7.25.2. SPDIFOut1 (NID = 1Eh): StreamCap ............................................................................248
7.25.3. SPDIFOut1 (NID = 1Eh): OutAmpCap ...........................................................................248
7.25.4. SPDIFOut1 (NID = 1Eh): Cnvtr ......................................................................................249
7.25.5. SPDIFOut1 (NID = 1Eh): OutAmpLeft ...........................................................................250
7.25.6. SPDIFOut1 (NID = 1Eh): OutAmpRight .........................................................................251
7.25.7. SPDIFOut1 (NID = 1Eh): PwrState ................................................................................251
7.25.8. SPDIFOut1 (NID = 1Eh): CnvtrID ..................................................................................252
7.25.9. SPDIFOut1 (NID = 1Eh): DigCnvtr .................................................................................253
7.26. Dig0Pin (NID = 1Fh): WCap ........................................................................................................254
7.26.1. Dig0Pin (NID = 1Fh): PinCap .........................................................................................255
7.26.2. Dig0Pin (NID = 1Fh): ConLst .........................................................................................256
7.26.3. Dig0Pin (NID = 1Fh): ConLstEntry0 ...............................................................................257
7.26.4. Dig0Pin (NID = 1Fh): PwrState ......................................................................................257
7.26.5. Dig0Pin (NID = 1Fh): PinWCntrl ....................................................................................258
7.26.6. Dig0Pin (NID = 1Fh): UnsolResp ..................................................................................259
7.26.7. Dig0Pin (NID = 1Fh): ChSense ......................................................................................259
7.26.8. Dig0Pin (NID = 1Fh): ConfigDefault ...............................................................................260
7.27. Dig1Pin (NID = 20h): WCap .........................................................................................................262
7.27.1. Dig1Pin (NID = 20h): PinCap .........................................................................................264
7.27.2. Dig1Pin (NID = 20h): ConLst .........................................................................................265
7.27.3. Dig1Pin (NID = 20h): ConLstEntry0 ...............................................................................266
7.27.4. Dig1Pin (NID = 20h): PwrState ......................................................................................266
7.27.5. Dig1Pin (NID = 20h): PinWCntrl .....................................................................................267
7.27.6. Dig1Pin (NID = 20h): ConfigDefault ...............................................................................268
7.28. DigBeep (NID = 21h): WCap .......................................................................................................271
7.28.1. DigBeep (NID = 21h): OutAmpCap ................................................................................272
7.28.2. DigBeep (NID = 21h): OutAmpLeft ...........www..Data.Shee.t.net/.................................................................. 272
7.28.3. DigBeep (NID = 21h): PwrState .....................................................................................273
7.28.4. DigBeep (NID = 21h): Gen .............................................................................................274
7.28.5. DigBeep (NID = 21h): Gain ............................................................................................274
7.29. AdvancedFunctions (NID = 22h): WCap ......................................................................................275
7.29.1. AdvancedFunctions (NID = 22h): Cntrl0 ........................................................................276
8. PINOUT AND PACKAGING .................................................................................................. 291
8.0.1. 48QFN Pin Table .............................................................................................................292
8.0.2. 48QFN Package Outline and Package Dimensions ........................................................294
8.1. Standard Reflow Profile Data ........................................................................................................295
9. DISCLAIMER ......................................................................................................................... 296
10. DOCUMENT REVISION HISTORY ..................................................................................... 297
IDT™ CONFIDENTIAL
©2009 INTEGRATED DEVICE TECHNOLOGY, INC.
8
V 1.2 1/12
92HD91
Datasheet pdf - http://www.DataSheet4U.co.kr/







92HD91 equivalent, schematic
92HD91
SINGLE CHIP PC AUDIO SYSTEM, CODEC+SPEAKER AMPLIFIER+CAPLESS HP+LDO
Per the HDA015-B , the SPDIF outputs support the ability to provide clocking information even when
no stream is selected for the converter, or when in a low power state. Also, the SPDIF output ports
support port presence detect.
SPDIF Outputs are outlined in tables below.
AFG Power
State
RESET#
Output
Enable
Converter
Dig
Enable
Stream
ID
Keep
Alive
Enab
le
Pin Behavior
D0-D3
Asserted (Low)
-
-
-
-
Hi-Z (internal pull-down enabled) immediately after
power on, otherwise the previous state is retained.
De-Asserted (High) Disabled -
- - Hi-Z (internal pull-down enabled)
De-Asserted (High) Enabled Disabled -
- Active - Pin drives 0 (internal pull-down NA)
D0
De-Asserted (High) Enabled Enabled 0
-
Active - Pin drives SPDIF-format, but data is zeroes
(internal pull-down NA)
De-Asserted (High) Enabled Enabled 1-15
-
Active - Pin drives SPDIFOut0 data (internal pull-down
NA)
De-Asserted (High) Disabled -
- - Hi-Z (internal pull-down enabled)
D1-D2
-
De-Asserted (High) Enabled
Enabled
-
-
0 Active - Pin drives 0 (internal pull-down NA)
1
Active - Pin drives SPDIF-format, but data is zeroes
(internal pull-down NA)
--
- 0 Hi-Z (internal pull-down enabled)
D3
De-Asserted (High) Disabled -
- 1 Hi-Z (internal pull-down enabled)
www.DataSheet.net/
Enabled Enabled -
1
Active - Pin drives SPDIF-format, but data is zeroes
(internal pull-down NA)
D3cold
-
--
- - Hi-Z (internal pull-down enabled)
D4 -
--
- - Hi-Z (port off)
D5 -
--
- - Hi-Z (port off)
Table 4. SPDIF OUT 0 Behavior
AFG
Power
State
RESET#
D0-D3 Asserted (Low)
D0-D3
D0-D3
De-Asserted
(High)
De-Asserted
(High)
GPIO0
Enable
Input
Enable
Output
Enable
Convert
er Dig
En
Strea
m ID
Keep
Alive
En
Pin Behavior
Hi-Z (internal pull-down enabled)
- - - - - - immediately after power on, otherwise
the previous state is retained.
Enabled -
-
-
-
-
Active - Pin reflects GPIO0 configuration
(internal pull-down enabled)
Disabled Enabled Disabled -
-
-
Pin functions as digital mic input
(internal pull-down enabled)
Table 5. SPDIF OUT 1 Behavior
IDT™ CONFIDENTIAL
©2009 INTEGRATED DEVICE TECHNOLOGY, INC.
16
V 1.2 1/12
92HD91
Datasheet pdf - http://www.DataSheet4U.co.kr/










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