IDTSTAC9766XXTAEC1X IDT, Integrated Device Technology Inc, IDTSTAC9766XXTAEC1X Datasheet - Page 49

• 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
8.1.4.
Bit(s)
Bit(s)
12:8
14:6
7:6
4:0
4:0
15
5
5
Mute
D15
D7
Master Volume MONO (06h)
Default: 8000h
RESERVED
Reset Value
Reset Value
0
0
0
0
1
0
0
0
D14
D6
RESERVED
RESERVED
MR<4:0>
ML<4:0>
MM<4:0>
Name
Name
MR5
Mute
MM5
MM5
D13
D5
Left Headphone Volume Control
00000 =
00001 = 1.5dB attenuation
.....
11111 = 46.5dB attenuation
Bits not used, should read back 0
0 = Headphone attenuation is a function of bits 4-0
1 = forces register bits 4-0 to be 11111
Always reads back 0
Right Channel Headphone Volume Control
00000 =
00001 = 1.5dB attenuation
.....
11111 = 46.5dB attenuation
0 = No mute
1 = Mute mono
Bit not used, should read back 0
0 = Mono attenuation is a function of bits 4-0
1 = Forces register bits 4-0 to be 11111
Always reads back 0
Mono Volume Control
00000 =
00001 = 1.5dB attenuation
.....
11111 = 46.5dB attenuation
MM4
D12
49
D4
0dB attenuation
0dB attenuation
0dB attenuation
RESERVED
MM3
D11
D3
Description
Description
STAC9766/9767
MM2
D10
D2
MM1
D9
D1
PC AUDIO
MM0
V 7.4 12/06
D8
D0