92hd75b Integrated Device Technology, 92hd75b Datasheet - Page 3

• Manufacturer Part Number: 92hd75b
• Description: Four Channel Hd Audio Codec
• Manufacturer: Integrated Device Technology

4-CHANNEL HD AUDIO CODECS OPTIMIZED FOR LOW POWER
TABLE OF CONTENTS
92HD75B
4-CHANNEL HD AUDIO CODECS OPTIMIZED FOR LOW POWER
1. DESCRIPTION .......................................................................................................................... 5
2. CHARACTERISTICS ............................................................................................................... 21
3. PORT CONFIGURATIONS ..................................................................................................... 28
4. FUNCTIONAL BLOCK DIAGRAMS ....................................................................................... 29
5. WIDGET INFORMATION AND SUPPORTED COMMAND VERBS ....................................... 31
6. PIN CONFIGURATION DEFAULT REGISTER SETTINGS .................................................... 34
7. WIDGET INFORMATION ........................................................................................................ 35
8. SUPPORTED VERBS AND COMMANDS .............................................................................. 36
1.1. Overview ............................................................................................................................................5
1.2. Orderable Part numbers ....................................................................................................................5
1.3. Block Diagram ...................................................................................................................................6
1.4. Detailed Description ...........................................................................................................................7
2.1. Electrical Specifications ...................................................................................................................21
2.2. 92HD75B 5V, 4.75V, and 3.3V Analog Performance Characteristics
4.1. 32 pad package, 5 port ....................................................................................................................29
4.2. 48 pad package, 6 port ....................................................................................................................30
5.1. 5-port 32 pad Widget Diagram .........................................................................................................31
5.2. 6-port 48 pad Widget Diagram .........................................................................................................32
5.3. Widget List 92HD75B .....................................................................................................................33
8.1. Root Node (NID = 00) ......................................................................................................................36
8.2. AFG Node (NID = 01 .......................................................................................................................37
1.4.1. Low-voltage High Definition Audio Link Signaling ................................................................7
1.4.2. Port Functionality .................................................................................................................7
1.4.3. Port Characteristics ..............................................................................................................7
1.4.4. Jack Detect ..........................................................................................................................8
1.4.5. SPDIF Output .......................................................................................................................8
1.4.6. Mono Output ......................................................................................................................10
1.4.7. Input Multiplexers ...............................................................................................................10
1.4.8. ADC Multiplexers ...............................................................................................................10
1.4.9. Power Management ...........................................................................................................10
1.4.10. Multi-channel capture .......................................................................................................11
1.4.11. EAPD ...............................................................................................................................12
1.4.12. Digital Microphone Support ..............................................................................................13
1.4.13. Analog PC-Beep ..............................................................................................................18
1.4.14. Headphone Drivers ..........................................................................................................18
1.4.15. GPIO ................................................................................................................................18
1.4.16. External Volume Control (48 pad package only) .............................................................19
2.1.1. Absolute Maximum Ratings ...............................................................................................21
2.1.2. Recommended Operating Conditions ................................................................................21
8.1.1. Root VendorID ...................................................................................................................36
8.1.2. Root RevID ........................................................................................................................36
8.2.1. AFG Reset .........................................................................................................................37
8.2.2. AFG NodeInfo ....................................................................................................................37
8.2.4. AFG AFGCap .....................................................................................................................38
8.2.3. AFG FGType ......................................................................................................................38
8.2.5. AFG PCMCap ....................................................................................................................39
8.2.6. AFG StreamCap ................................................................................................................40
8.2.7. AFG InAmpCap ..................................................................................................................41
8.2.8. AFG PwrStateCap .............................................................................................................41
8.2.10. AFG OutAmpCap .............................................................................................................42
8.2.9. AFG GPIOCnt ....................................................................................................................42
8.2.12. AFG UnsolResp ...............................................................................................................43
8.2.11. AFG PwrState ..................................................................................................................43
3
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92HD75B
PC AUDIO
V 1.0 01-09