STAC9766XXTAEC1X IDT, Integrated Device Technology Inc, STAC9766XXTAEC1X Datasheet - Page 69

• Manufacturer Part Number: STAC9766XXTAEC1X
• Manufacturer: IDT, Integrated Device Technology Inc

Specifications of STAC9766XXTAEC1X

• Single Supply Voltage (typ): 3.3/5V
• Single Supply Voltage (min): 3.135/4.75V
• Single Supply Voltage (max): 3.465/5.25V
• Package Type: TQFP
• Lead Free Status / RoHS Status: Compliant

IDT™
TWO-CHANNEL, 20-BIT, AC’97 2.3 CODECS WITH STEREO MICROPHONE AND MIC/JACK SENSING
STAC9766/9767
TWO-CHANNEL, 20-BIT, AC’97 2.3 CODECS WITH STEREO MICROPHONE AND MIC/JACK SENSING
8.4.
STAC9766/9767 Paging Registers
8.4.1.
Reg
6Ah Sense Register
6Ch
6Eh
60h CODEC Class/Revision
62h PCI SVID
64h PCI SSID
66h Function Select
68h Function Information
Bit(s)
15-13
RV7
D15
D7
The AC’97 Specification Rev 2.3 uses a paging mechanism in order to increase the number of regis-
ters. The registers currently used in the paging are 60h to 6Eh. Additional information about the
Extended CODEC Registers, please refer to Section 8.3: page68.
One of two pages can be made active at any time, set in Register 24h. Register 24h is the Audio
Interrupt and Paging Register. Additional details about Register 24h is located in Section 8.1.17:
page57.
CODEC Class/Rev (60h
Register 24h must be set to Page 01h to access this register.
Default: 12xxh
If page 00h is active, registers 60h to 6Eh are Vendor Specific.
If page 01h is active, registers 60h to 6Eh have the following functionality:
Reset Value
NAME
RESERVED
D14
RV6
D6
RESERVED
Name
Provides the CODEC Class and a Vendor specified revision
identifier.
Allows for population by the system BIOS to identify the PCI Sub
System Vendor ID.
Allows for population by the system BIOS to identify the PCI Sub
System ID.
Provides the type of audio function being selected and which jack
conductor the selected value is measured from.
Includes information about Gain, Inversion, Buffer delays,
Information Validity, and Function Information presence.
Includes information about the connector/jack location, Input verses
Output sensing, the Order of the sense results, and the IDT specific
sense results.
RV5
D13
D5
Page 01h
Reserved - not defined
)
RV4
D12
CL4
69
D4
Reserved
Reserved
FUNCTION
RV3
D11
CL3
D3
Description
STAC9766/9767
D10
CL2
RV2
D2
RV1
CL1
D9
D1
Note:: page70
Note:: page71
8.4.1: page69
8.4.2: page70
8.4.5: page72
8.4.7: page74
PC AUDIO
Location
V 7.4 12/06
RV0
CL0
D8
D0