STAC9204 datasheet(2/213 Pages) IDT

2 / 213 page

STAC9204/9205

4-CHANNEL HD AUDIO CODEC WITH QUAD DIGITAL MICROPHONE INTERFACE

PC AUDIO

IDT™

STAC9204/9205

V 1.0 12/06

4-CHANNEL HD AUDIO CODEC WITH QUAD DIGITAL MICROPHONE INTERFACE

TABLE OF CONTENTS

1. DESCRIPTION ......................................................................................................................... 13

1.1. Overview ......................................................................................................................................... 13

1.2. Block Diagram ................................................................................................................................. 14

1.3. Detailed Description ........................................................................................................................ 15

1.3.1. Low-voltage High Definition Audio Link Signaling ............................................................. 15

1.3.2. Digital Microphone Support ............................................................................................... 15

1.3.3. Volume/Digital Microphone/GPIO Selection ...................................................................... 20

1.3.4. VRefOut/GPIO Selection ................................................................................................... 20

1.3.5. SPDIF Input ....................................................................................................................... 20

1.3.6. SPDIF Output .................................................................................................................... 20

1.3.7. Mono Output ...................................................................................................................... 21

1.3.8. Universal Jacks™ .............................................................................................................. 21

1.3.9. Power Management .......................................................................................................... 23

1.3.10. Analog PC-Beep .............................................................................................................. 23

1.3.11. Headphone Drivers .......................................................................................................... 23

1.3.12. Device IDs ....................................................................................................................... 24

2. CHARACTERISTICS ............................................................................................................... 25

2.1. Electrical Specifications ................................................................................................................... 25

2.1.1. Absolute Maximum Ratings ............................................................................................... 25

2.1.2. Recommended Operating Conditions ............................................................................... 25

2.2. 5.0 V, 4.5 V, 4.0 V and 3.3 V Analog Performance Characteristics........................................................26

2.3. Power Requirements ....................................................................................................................... 30

2.3.1. Digital Current Requirements ............................................................................................30

2.3.2. Analog Current Requirements .......................................................................................... 30

3. WIDGET INFORMATION AND SUPPORTED COMMAND VERBS .......................................31

3.1. Widget List STAC9204/9205 .......................................................................................................... 32

3.2. Pin Configuration Default Register Settings .................................................................................... 33

3.3. Widget Information .......................................................................................................................... 34

3.4. Supported Command Verbs and Responses .................................................................................. 35

3.4.1. Root Node (NID = 0x00) .................................................................................................... 35

3.4.2. AFG Node (NID = 0x01) .................................................................................................... 36

3.4.3. PortA Node (NID = 0x0A) .................................................................................................. 65

3.4.4. PortB Node (NID = 0x0B) .................................................................................................. 72

3.4.5. PortC Node (NID = 0x0C) .................................................................................................. 78

3.4.6. PortD Node (NID = 0x0D) .................................................................................................. 84

3.4.7. PortE Node (NID = 0x0E) .................................................................................................. 89

3.4.8. PortF Node (NID = 0x0F) ................................................................................................... 95

3.4.9. DAC0 Node (NID = 0x10) ................................................................................................ 101

3.4.10. DAC1 Node (NID = 0x11) .............................................................................................. 106

3.4.11. ADC0 Node (NID = 0x12) .............................................................................................. 110

3.4.12. ADC1 Node (NID = 0x13) .............................................................................................. 115

3.4.13. PortMonoOut Node (NID = 0x14) .................................................................................. 120

3.4.14. MonoOutMix Node (NID = 0x15) ................................................................................... 125

3.4.15. CD Node (NID = 0x16) .................................................................................................. 127

3.4.16. DigMic0 Node (NID = 0x17) ........................................................................................... 130

3.4.17. DigMic1 Node (NID = 0x18) ........................................................................................... 134

3.4.18. InPort0Mux Node (NID = 0x19) ..................................................................................... 137

3.4.19. InPort1Mux Node (NID = 0x1A) ..................................................................................... 141

3.4.20. InPort0Vol Node (NID = 0x1B) ...................................................................................... 146

3.4.21. InPort1Vol Node (NID = 0x1C) ...................................................................................... 149

3.4.22. ADC0Mux Node (NID = 0x1D) ....................................................................................... 151

3.4.23. ADC1Mux Node (NID = 0x1E) ....................................................................................... 156

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