STAC9752A Datasheet, PDF (74/106 Pages) Integrated Device Technology – AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK

STAC9752A/9753A
AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK
PC AUDIO
Bit(s) Reset Value Name
Description
PCI Sub System Vendor ID:
This field provides the PCI Sub System Vendor ID of the Audio or Modem Sub
15-0
PVI15:PVI0 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.
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
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
PCI Sub System ID:
This field provides the PCI Sub System ID of the Audio or Modem Sub Assembly
15-0
PI15:PVI0
(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.
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
D15
D14
D13
D12
D11
D10
D9
D8
Reserved
D7
D6
D5
D4
D3
D2
D1
D0
Reserved
FC3
FC2
FC1
FC0
T/R
IDT™
74
AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK
STAC9752A/9753A
V 1.5 1206