92hd89c Integrated Device Technology, 92hd89c Datasheet - Page 3
92hd89c
Manufacturer Part Number
92hd89c
Description
Six Channel Hd Audio Codec
Manufacturer
Integrated Device Technology
Datasheet
1.92HD89C.pdf
(314 pages)
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92HD89C
Six channel HD Audio codec optimized for low power
©2009 INTEGRATED DEVICE TECHNOLOGY, INC.
TABLE OF CONTENTS
IDT™ CONFIDENTIAL
1. DESCRIPTION ........................................................................................................................ 11
2. DETAILED DESCRIPTION ..................................................................................................... 13
3. CHARACTERISTICS ............................................................................................................... 34
4. FUNCTIONAL BLOCK DIAGRAMS ....................................................................................... 41
5. WIDGET INFORMATION AND SUPPORTED COMMAND VERBS ....................................... 43
6. PORT CONFIGURATIONS ..................................................................................................... 44
7. WIDGET INFORMATION ........................................................................................................ 46
1.1. Overview ..........................................................................................................................................11
1.2. Orderable Part Numbers ..................................................................................................................11
1.3. Block Diagram .................................................................................................................................12
2.1. Port Functionality .............................................................................................................................13
2.2. Analog Mixer ....................................................................................................................................18
2.3. Input Multiplexers .............................................................................................................................18
2.4. ADC Multiplexers .............................................................................................................................18
2.5. Power Management .........................................................................................................................18
2.6. AFG D0 ............................................................................................................................................20
2.7. AFG D1 ............................................................................................................................................20
2.8. AFG D2 ............................................................................................................................................20
2.9. AFG D3 ............................................................................................................................................20
2.10. Vendor Specific Function Group Power States D4/D5 ..................................................................21
2.11. Low-voltage HDA Signaling ...........................................................................................................21
2.12. Multi-channel capture ....................................................................................................................21
2.13. Digital Microphone Support ...........................................................................................................23
2.14. Analog PC-Beep ............................................................................................................................27
2.15. Digital PC-Beep .............................................................................................................................29
2.16. Headphone Drivers ........................................................................................................................29
2.17. EAPD .............................................................................................................................................29
2.18. GPIO ..............................................................................................................................................32
2.19. HD Audio ECR 15b support ...........................................................................................................33
2.20. Digital Core Voltage Regulator ......................................................................................................33
3.1. Electrical Specifications ...................................................................................................................34
3.2. 92HD89C Analog Performance Characteristics (PRELIMINARY) ...................................................35
3.3. AC Timing Specs .............................................................................................................................39
4.1. 48QFP .............................................................................................................................................41
4.2. 40QFN .............................................................................................................................................42
6.1. Pin Configuration Default Register Settings .....................................................................................45
7.1. Widget List .......................................................................................................................................47
7.2. Root (NID = 00h): VendorID ............................................................................................................48
7.3. Root (NID = 00h): RevID ..................................................................................................................49
7.4. AFG (NID = 01h): NodeInfo .............................................................................................................50
2.1.1. Port Characteristics ............................................................................................................14
2.1.2. Vref_Out .............................................................................................................................15
2.1.3. Jack Detect ........................................................................................................................15
2.1.4. SPDIF Output .....................................................................................................................15
2.9.1. AFG D3cold .......................................................................................................................20
2.18.1. GPIO Pin mapping and shared functions .........................................................................32
2.18.2. EAPD/SPDIF_OUT/GPIO0 Selection ..............................................................................32
2.18.3. Digital Microphone/GPIO Selection .................................................................................32
2.18.4. Vref_Out/GPIO Selection .................................................................................................33
2.18.5. EAPD/SPDIF_OUT/GPIO0 Selection ..............................................................................33
3.1.1. Absolute Maximum Ratings ...............................................................................................34
3.1.2. Recommended Operating Conditions ................................................................................34
3.3.1. HD Audio Bus Timing .........................................................................................................39
3.3.2. SPDIF Timing .....................................................................................................................39
3.3.3. Digital Microphone Timing .................................................................................................40
3.3.4. GPIO Characteristics .........................................................................................................40
7.3.1. Root (NID = 00h): NodeInfo ...............................................................................................49
3
V 0.91 08/09
92HD89C
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