IDTSTAC9752AXNAED1X IDT, Integrated Device Technology Inc, IDTSTAC9752AXNAED1X Datasheet - Page 54

• Manufacturer Part Number: IDTSTAC9752AXNAED1X
• Description: IC CODEC AC'97 MIC/JACK 32-QFN
• Manufacturer: IDT, Integrated Device Technology Inc
• Type: Audio Codec '97r

Specifications of IDTSTAC9752AXNAED1X

• Resolution (bits): 20 b
• Number Of Adcs / Dacs: 2 / 2
• Sigma Delta: Yes
• S/n Ratio, Adcs / Dacs (db) Typ: 85 / 92
• 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: 32-QFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: STAC9752AXNAED1X

IDT™
AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK
STAC9752A/9753A
AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK
7.1.6.
7.1.7.
Bit(s)
Bit(s)
Bit(s) Reset Value
12:5
14:5
14:7
Reserved
4:1
4:0
15
15
0
Mute
Mute
D15
D15
D7
D7
Phone Volume (Index 0Ch)
Default: 8008h.
Stereo or Mic Volume (Index 0Eh)
To enable Stereo Mic, Register 78h (unlocked), bit D6 must be enabled.
In Stereo mode, the left and right volume is controlled by GN4:GN0.
Default: 8008h.
Reset Value
Reset Value
00h
0
0
1
0
1
0
0
BOOSTEN
Reserved
D14
D14
D6
D6
Reserved
Reserved
Reserved
PV(3:0)
GN<4:0>
Name
Name
F[7:0]
Mute
Name
Mute
Reserved
D13
D13
D5
D5
The Beep frequency is the result of dividing the 48KHz clock by 4 times
the number specified in F[7:0] allowing tones from 47Hz to 12KHz.
A value of 00h in bits F[7:0] disables internal PC BEEP generation and
enables external PC BEEP input if available.
PCBEEP Volume Control
0000 = 0dB attenuation
0001 = 3dB attenuation
.....
1111 = 45dB attenuation
Bit not used, should read back 0
0 = no mute
1 = mute phone
Bit not used, should read back 0
0 = No mute
1 = Mute phone
Bit not used, should read back 0
Phone Volume Control
00000 =
00001 = 10.5dB gain
.....
01000 =
.....
11111 = -34.5dB gain
GN4
GN4
D12
D12
54
D4
D4
12dB gain
0dB gain
Reserved
Reserved
GN3
GN3
D11
D11
D3
D3
Description
Description
Description
STAC9752A/9753A
GN2
GN2
D10
D10
D2
D2
GN1
GN1
D9
D1
D9
D1
PC AUDIO
GN0
GN0
V 1.5 1206
D8
D0
D8
D0