IDTSTAC9766XXTAEC1X IDT, Integrated Device Technology Inc, IDTSTAC9766XXTAEC1X Datasheet - Page 76

• Manufacturer Part Number: IDTSTAC9766XXTAEC1X
• Description: IC CODEC AC'97 2CH 2.3 48-TQFP
• Manufacturer: IDT, Integrated Device Technology Inc
• Type: Audio Codec '97r

Specifications of IDTSTAC9766XXTAEC1X

• Data Interface: Serial
• Resolution (bits): 20 b
• Number Of Adcs / Dacs: 2 / 2
• Sigma Delta: Yes
• S/n Ratio, Adcs / Dacs (db) Typ: 85 / 95
• Voltage - Supply, Analog: 3.14 V ~ 3.47 V; 4.75 V ~ 5.25 V
• Voltage - Supply, Digital: 3.14 V ~ 3.47 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 48-TQFP, 48-VQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: STAC9766XXTAEC1X

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
8.4.8.
8.4.9.
Bit(s) Reset Value
15:8
Reported Value
7:0
RSVD
D15
D7
D15
D7
Revision Code (6Ch)
To access Register 6Ch, Page 00h must be selected in Register 24h.
Default: 00xxh
Analog Special (6Eh)
To access Register 6Eh, Page 00h must be selected in Register 24h.
Default: 1000h
Bh-Eh
0h
1h
2h
3h
4h
5h
6h
7h
8h
9h
Ah
Fh
00h
xx
RESERVED
MUTEFIX
DISABLE
D14
D6
D14
D6
Data not valid. Indicates that the reported value(s) is invalid.
No connection. Indicates that there are no connected devices.
Fingerprint. Indicates a specific fingerprint value for devices that are not specified.
Microphone (mono)
Reserved
Stereo Line In (CE device attached)
Reserved
Reserved
Reserved
Headset (mono speaker left channel and mic.)
Other. Allows a vendor to report sensing other type of devices/peripherals. SR[5:0] together with
OR[1:0] provide information regarding the type of device sensed.
Reserved
Unknown (use fingerprint)
MAJORREV
MINORREV
Name
ADCSLT1
D13
D5
D13
D5
Minor Revision ID. These bits are read only and will be updated based on minor
device changes which will not require software changes.
Major Revision ID. These bits are read only and will be updated based on major
device changes.
ADCSLT0
AC97MIX
Table 28. Sensed Bits (Inputs)
D12
D4
D12
76
D4
MAJORREV
MINORREV
RSVD MIC GAIN VAL SPLYOVR EN
D11
Input Peripheral/Device
D3
D11
D3
D10
D2
Description
STAC9766/9767
D10
D2
RESERVED
D9
D1
D9
D1
SPLYOVR VAL
PC AUDIO
D8
D0
V 7.4 12/06
D8
D0