STAC9752A Datasheet, PDF (83/106 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
Default: 0000h
D15
D14
HP SEL
D7
D6
STMIC SEL MSPWDN
D13
D12
LO SEL
D5
D4
HP3dB DACBYHP
D11
RSVD
D3
DACBYLO
D10
LI SEL
D2
Reserved
D9
D8
MIC SEL
D1
D0
Reserved
ADC HPF
BYP
Bit(s)
Reset
Value
15:14
00
13:12
00
11
0
10
00
9:8
00
7
0
6
0
5
0
4
0
3
0
2
0
Name
Description
HP SEL
LO SEL
RSVD
LI SEL
MIC SEL
STMIC SEL
MSPWDN
HP3dB
DACBYPHP
DACBYPLO
Reserved
Headphone Amp Selection
00 - HP on pins 39/41 (default)
01 - HP on pins 35/36
10 - Off
11 - Off
Line Out Selection
00 - LO on pins 35/36 (default)
01 - LO on pins 23/24
10 - Off
11 - Off
Reserved
Line In Selection
0 - LI on pins 23/24 (default)
1 - LI on pins 35/36
Microphone Selection
00 - MIC on pins 21/22 (default)
01 - MIC on pins 23/24
10 - MIC on pins 35/36
11 - MIC on pins 39/41
Stereo MIC Select
0 - Mono MIC
1 - Stereo MIC
MIC Sense Power Down
0 - On
1 - Off
Headphone 3dB
0 - Off
1 - On
Independent DAC bypass for HP Volume (Reg 04h)
This can be over ridden by Reg 20h D15, pop bypass
0 - Off
1 - On
Independent DAC bypass for LO Volume (Reg 02h)
This can be over ridden by Reg 20h D15, pop bypass
0 - Off
1 - On
Reserved
IDT™
83
AC’97 2.3 CODECS WITH STEREO MICROPHONE & UNIVERSAL JACK
STAC9752A/9753A
V 1.5 1206