
STAC9204/9205
4-CHANNEL HD AUDIO CODEC WITH QUAD DIGITAL MICROPHONE INTERFACE
PC AUDIO
IDT
128
STAC9204/9205
V 1.0 12/06
4-CHANNEL HD AUDIO CODEC WITH QUAD DIGITAL MICROPHONE INTERFACE
3.4.18.3.
InPort0Mux OutAmpRight
3.4.18.4.
InPort0Mux OutAmpLeft
[14:8]
NumSteps
R
0x04
Number of steps in the gain range = 5
(0dB to +40dB)
[7]
Rsvd1
R
0x0
Reserved
[6:0]
Offset
R
0x00
0dB-step is programmed with this offset
Table 274. InPort0Mux OutAmpRight Command Verb Format
Verb ID
Payload
Response
Get
B80
00
See bitfield table.
Set1
390
See bits [7:0] of bitfield table.
0000_0000h
Table 275. InPort0Mux OutAmpRight Command Response Format
Bit
Bitfield Name
RW
Reset
Description
[31:3]
Rsvd1
R
0x0
Reserved
[2:0]
Gain
RW
0x0
Amplifier gain step number:
000 = 0dB;
001 = 10dB;
010 = 20dB;
011 = 30dB;
100 = 40dB
Table 276. InPort0Mux OutAmpLeft Command Verb Format
Verb ID
Payload
Response
Get
BA0
00
See bitfield table.
Set1
3A0
See bits [7:0] of bitfield table.
0000_0000h
Table 273. InPort0Mux OutAmpCap Command Response Format
Bit
Bitfield Name
RW
Reset
Description