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STAC9752A Datasheet(PDF) 74 Page - Integrated Device Technology |
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STAC9752A Datasheet(HTML) 74 Page - Integrated Device Technology |
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74 / 106 page ![]() STAC9752A/9753A AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK PC AUDIO IDT™ 74 STAC9752A/9753A V 1.5 1206 AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK Note: This register is populated by the BIOS and does not reset on RESET#. 7.4.3. PCI SSID (64h Page 01h) Register 24h must be set to Page 01h to access this register. Default: FFFFh Note: This register is populated by the BIOS and does not reset on RESET#. 7.4.4. Function Select (66h Page 01h) Register 24h must be set to Page 01h to access this register. Default: 0000h Bit(s) Reset Value Name Description 15-0 PVI15:PVI0 PCI Sub System Vendor ID: This field provides the PCI Sub System Vendor ID of the Audio or Modem Sub Assembly Vendor (i.e., CNR manufacturer, Motherboard Vendor). This is NOT the CODEC vendor PCI Vendor ID, nor the AC '97 controller PCI Vendor ID. If data is not available, returns FFFFh. D15 D14 D13 D12 D11 D10 D9 D8 PI15 PI14 PI13 PI12 PI11 PI10 PI9 PI8 D7 D6 D5 D4 D3 D2 D1 D0 PI7 PI6 PI5 PI4 PI3 PI2 PI1 PI0 Bit(s) Reset Value Name Description 15-0 PI15:PVI0 PCI Sub System ID: This field provides the PCI Sub System ID of the Audio or Modem Sub Assembly (i.e., CNR Model, Motherboard SKU). This is NOT the CODEC vendor PCI ID, nor the AC '97 controller PCI ID. Information in this field must be available for AC '97 controller reads when CODEC ready is asserted in AC link.If data is not available, returns FFFFh. D15 D14 D13 D12 D11 D10 D9 D8 Reserved D7 D6 D5 D4 D3 D2 D1 D0 Reserved FC3 FC2 FC1 FC0 T/R |
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