STAC9220 Datasheet, PDF (43/172 Pages) Integrated Device Technology – 8-CHANNEL HIGH DEFINITION AUDIO CODEC

STAC9220/9221/9223
8-CHANNEL HIGH DEFINITION AUDIO CODEC
PC AUDIO
Table 31. AFG GPIO Polarity Command Response Format
Bit
Bitfield Name RW Reset
Description
GPIO 1 Input Polarity Control (used in conjunction with GPIOSticky)
and Output Type Control.
When configured as a level-sensitive input:
0 = inverted
1 = not inverted (default)
1
GP1
RW 0x1 When configured as an edge-sensitive input:
0 = falling-edge triggered
1 = rising-edge triggered
When configured as an output:
0 = push-pull (CMOS)
1 = open drain (default)
GPIO 0 Input Polarity Control (used in conjunction with GPIOSticky)
and Output Type Control.
When configured as a level-sensitive input:
0 = inverted
1 = not inverted (default)
0
GP0
RW 0x1 When configured as an edge-sensitive input:
0 = falling-edge triggered
1 = rising-edge triggered
When configured as an output:
0 = push-pull (CMOS)
1 = open drain (default)
6.5.11. AFG OutAmpCap
Table 32. AFG OutAmpCap Command Verb Format
Verb ID
Payload
Get
F00
12
Response
See bitfield table
Bit
[31]
[30:23]
[22:16]
[15]
Table 33. AFG OutAmpCap Command Response Format
Bitfield Name
RW
Reset
Description
Mute
R
0x1
Amplifier is capable of muting
Rsvd3
R
0x0
Reserved
StepSize
R
0x02
Size of each step in the gain range = 0.75dB
Rsvd2
R
0x0
Reserved
IDT™
8-CHANNEL HIGH DEFINITION AUDIO CODEC
43
STAC9220/9221/9223
V 0.96 102706