STAC9227 Datasheet, PDF (187/237 Pages) Integrated Device Technology – 8-CHANNEL HIGH DEFINITION AUDIO CODEC

STAC9227/9228/9229/9230
8-CHANNEL HIGH DEFINITION AUDIO CODEC
PC AUDIO
Bit
[31]
[30:23]
[22:16]
[15]
[14:8]
[7]
[6:0]
Table 444. PCBEEP OutAmpCap Command Response Format
Bitfield Name
RW
Reset
Description
Mute
R
0x0
Amplifier is capable of muting
Rsvd3
R
0x0
Reserved
StepSize
R
0x17
Size of each step in the gain range = 6 dB
Rsvd2
R
0x0
Reserved
NumSteps
R
0x03
Number of steps in the gain range = 4
(-18dB to 0dB)
Rsvd1
R
0x0
Reserved
Offset
R
0x03
0dB-step is programmed with this offset
6.28.4. PCBEEP Gen
Get
Set1
Table 445. PCBEEP Gen Command Verb Format
Verb ID
Payload
F0A
00
70A
See bits [7:0] of bitfield table.
Response
See bitfield table.
0000_0000h
IDT™ 8-CHANNEL HIGH DEFINITION AUDIO CODEC
187
IDT CONFIDENTIAL
STAC9227/9228/9229/9230V 1.0 MARCH 2007