stac9752xxtaeb2xr Integrated Device Technology, stac9752xxtaeb2xr Datasheet - Page 49

• Manufacturer Part Number: stac9752xxtaeb2xr
• Description: Two-channel, 20-bit, Ac ?97 2.3 Codecs With Microphone And Jack Sensing
• Manufacturer: Integrated Device Technology

IDT™
TWO-CHANNEL, 20-BIT, AC’97 2.3 CODECS WITH HEADPHONE DRIVE, SPDIF OUTPUT MICROPHONE & JACK SENSING
STAC9752/9753
TWO-CHANNEL, 20-BIT, AC’97 2.3 CODECS WITH HEADPHONE DRIVE, SPDIF OUTPUT MICROPHONE & JACK SENSING
8.1.3.
Bit(s)
Bit(s)
12:8
12:8
7:6
4:0
7:6
4:0
15
14
13
15
14
13
5
5
Mute
D15
D7
Headphone Volume Registers (04h)
Default: 8000h
RESERVED
Reset Value
Reset Value
1
0
0
0
0
0
0
1
0
0
0
0
0
0
RSRVD
D14
D6
RESERVED
RESERVED
RESERVED
RESERVED
MR<4:0>
ML<4:0>
MR<4:0>
ML<4:0>
Name
Name
Mute
MR5
ML5
Mute
MR5
ML5
HPR5
HPL5
D13
D5
0 = No mute
1 = Mutes both left & right channels
Bit not used, should read back 0
0 = Headphone attenuation is a function of bits12-8
1 = Forces register bits 12-8 to be 11111. Always reads back 0
Left Headphone Volume Control
00000 = 0dB attenuation
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 = 0dB attenuation
00001 = 1.5dB attenuation
.....
11111 = 46.5dB attenuation
0 = No mute
1 = Mutes both left & right channels
Bit not used, should read back 0
0 = Lineout attenuation is a function of bits12-8
1 = Forces register bits 12-8 to be 11111. Always reads back 0.
Left Lineout Volume Control
00000 = 0dB attenuation
00001 = 1.5dB attenuation
.....
11111 = 46.5dB attenuation
Bits not used, should read back 0
0 = Lineout attenuation is a function of bits 4-0
1 = Forces register bits 4-0 to be 11111
Always reads back 0
Right Channel Lineout Volume Control
00000 = 0dB attenuation
00001 = 1.5dB attenuation
.....
11111 = 46.5dB attenuation
HPR4
HPL4
D12
49
D4
HPR3
HPL3
D11
D3
Description
Description
STAC9752/9753
HPR2
HPL2
D10
D2
HPR1
HPL1
D9
D1
REV 3.3 1206
HPR0
HPL0
D8
D0