stac9272 Integrated Device Technology, stac9272 Datasheet - Page 50

• Manufacturer Part Number: stac9272
• Description: 10-channel High Definition Audio Codec
• Manufacturer: Integrated Device Technology

IDT™
STAC9271/9272/9273/9274
10-CHANNEL HIGH DEFINITION AUDIO CODEC
10-CHANNEL HIGH DEFINITION AUDIO CODEC
6.2.22. AFG DACMode
[31.:7]
[31.:7]
[3.:0]
[6.:5]
[3.:0]
Bit
[6]
[5]
[4]
Bit
[4]
Set1
Get
Bitfield Name
ADCMixDAC
Bitfield Name
FadeFast
FadeLog
Rsvd2
Rsvd
SplyOvr
PinLvl
IBIAS
Rsvd
Table 57. AFG DACMode
Table 55. AFG Sply
Table 56. AFG DACMode
IDT CONFIDENTIAL
Verb ID
FEB
7EB
RW
RW
RW
RW
R
R
RW
RW
RW
RW
R
50
Reset
0x0
0x0
0x0
0x0
0x0
Reset
0x0
0x0
0x1
0x0
Command Response Format
See bits [7:0] of bitfield table.
Command Response Format
Command Verb Format
Reserved
Enable mixing of ADC with DAC signal (for karaoke)
Gain ramps at the maximum rate
Gain ramping is dB linear instead of voltage linear
over time
Reserved
Reserved
00 = Normal Current;
01 = 80% nominal Analog Current;
10 = 120% nominal Analog Current;
11 = 140% nominal Analog Current
0= low-level SPDIF Input (special buffer for low
level signals)
1= standard SPDIF Input (for high level signals)
Supply Override Control. See Table below.
[0] = invert ADC supply;
[1] = invert DAC supply;
[2] = supply value;
[3] = supply override enable
Payload
00
STAC9271/9272/9273/9274 V 1.0 MARCH2007
Description
Description
See bitfield table.
0000_0000h
Response
PC AUDIO