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2 / 172 page STAC9220/9221/9223 8-CHANNEL HIGH DEFINITION AUDIO CODEC PC AUDIO IDT™ 2 STAC9220/9221/9223 V 0.96 102706 8-CHANNEL HIGH DEFINITION AUDIO CODEC Table of Contents 1. FEATURES .............................................................................................................................. 11 1.1. Overview ......................................................................................................................................... 11 1.2. Features .......................................................................................................................................... 11 1.3. Third Party Software Support .......................................................................................................... 12 1.4. Description ..................................................................................................................................... 12 2. CHARACTERISTICS ............................................................................................................... 14 2.1. Audio Fidelity .................................................................................................................................. 14 2.2. Electrical Specifications ................................................................................................................... 14 2.3. STAC922x/STAC922xD 5V Analog Performance Characteristics .................................................. 16 2.4. STAC922x/STAC922xD 4V Analog Performance Characteristics .................................................. 18 2.5. STAC922x/STAC922xD 3.3V Analog Performance Characteristics ............................................... 20 3. POWER CONSUMPTION ........................................................................................................ 22 3.1. Digital .............................................................................................................................................. 22 3.2. Analog: AVDD = 5 V ........................................................................................................................ 22 3.3. Analog: AVDD = 3.3 V ..................................................................................................................... 22 4. DETAILED DESCRIPTION ...................................................................................................... 23 4.1. Audio Jack Presence Detect ........................................................................................................... 23 4.2. SPDIF Input ..................................................................................................................................... 23 4.3. SPDIF Output .................................................................................................................................. 23 4.4. Universal Jacks™ ............................................................................................................................ 24 5. FUNCTIONAL BLOCK DIAGRAMS AND CONNECTION DIAGRAMS ................................. 25 5.1. STAC9220/9223 Functional Block Diagram ....................................................................................25 5.2. STAC9221 Functional Block Diagram ............................................................................................. 26 5.3. STAC9220/9223 Typical Connection Diagram for 48-pin LQFP ..................................................... 27 5.4. STAC9220/9223 Split Independent Power Supply for 48-pin LQFP ............................................... 28 5.5. STAC9221 Typical Connection Diagram for 48-pin LQFP .............................................................. 29 5.6. STAC9221 Split Independent Power Supply for 48-pin LQFP ........................................................ 30 6. WIDGET INFORMATION ......................................................................................................... 31 6.1. STAC9220/9223 Widget Diagrams ................................................................................................. 31 6.2. STAC9221Widget Diagrams ........................................................................................................... 32 6.3. Widget List STAC9220/9221/9223 .................................................................................................. 33 6.4. Root Node (NID = 0x00) .................................................................................................................. 34 6.5. AFG Node (NID = 0x01) .................................................................................................................. 36 6.6. DAC0 Node (NID = 0x02) ................................................................................................................ 51 6.7. DAC1 Node (NID = 0x03) ................................................................................................................ 56 6.8. DAC2 Node (NID = 0x04) ................................................................................................................ 61 6.9. DAC3 Node (NID = 0x05) ................................................................................................................ 66 6.10. ADC0 Node (NID = 0x06) .............................................................................................................. 71 6.11. ADC1 Node (NID = 0x07) .............................................................................................................. 76 6.12. SPDIFOut Node (NID = 0x08) ....................................................................................................... 81 6.13. SPDIFIn Node (NID = 0x09) .......................................................................................................... 87 6.14. PortA Node (NID = 0x0A) .............................................................................................................. 93 6.15. PortB Node (NID = 0x0B) .............................................................................................................. 99 6.16. PortC Node (NID = 0x0C) ............................................................................................................ 105 6.17. PortD Node (NID = 0x0D) ............................................................................................................ 110 6.18. PortE Node (NID = 0x0E) ............................................................................................................ 116 6.19. PortF Node (NID = 0x0F) ............................................................................................................ 121 6.20. DigOut0 Node (NID = 0x10) ........................................................................................................ 126 6.21. DigIn Node (NID = 0x11) ............................................................................................................. 131 6.22. ADC0Mux Node (NID = 0x12) ..................................................................................................... 136 6.23. ADC1Mux Node (NID = 0x13) ..................................................................................................... 141 6.24. PCBEEP Node (NID = 0x14) ....................................................................................................... 146 6.25. CD Node (NID = 0x15) ................................................................................................................ 148 |
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