STAC9228 Integrated Device Technology, STAC9228 Datasheet - Page 52

• Manufacturer Part Number: STAC9228
• Description: Theater Quality Eight Channel High Definition Audio Codec With Digital Microphone Interface
• Manufacturer: Integrated Device Technology

IDT™
STAC9227/9228/9229/9230
8-CHANNEL HIGH DEFINITION AUDIO CODEC
8-CHANNEL HIGH DEFINITION AUDIO CODEC
6.2.22. AFG DACMode
6.2.23. AFG GPIOPlrty
[31:7]
[3:0]
[3:0]
Bit
Bit
[4]
[6]
[5]
[4]
Set1
Set1
Get
Get
Bitfield Name
Bitfield Name
ADCMixDAC
FadeFast
FadeLog
SplyOvr
Rsvd2
PinLvl
Rsvd
Table 56. AFG DACMode
Table 54. AFG Sply
Table 55. AFG DACMode
Table 57. AFG GPIOPlrty
Verb ID
IDT CONFIDENTIAL
Verb ID
FEB
7EB
FEE
7EE
RW
RW
RW
RW
RW
RW
RW
52
R
R
Command Response Format
See bits [7:0] of bitfield table.
See bits [7:0] of bitfield table.
Reset
Reset
Command Response Format
0x1
0x0
0x0
0x0
0x0
0x0
0x0
Command Verb Format
Command Verb Format
Payload
Payload
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
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
00
00
STAC9227/9228/9229/9230V 1.0 MARCH 2007
Description
Description
See bitfield table.
See bitfield table.
0000_0000h
0000_0000h
Response
Response
PC AUDIO