STAC9202 Datasheet, PDF (37/135 Pages) Integrated Device Technology – 2-CHANNEL HIGH DEFINITION AUDIO CODEC WITH

STAC9202
2-CHANNEL HIGH DEFINITION AUDIO CODEC WITH DUAL DIGITAL MICROPHONE INTERFACES
PC AUDIO
Table 47. AFG DigMic Command Response Format
Bit
Bitfield Name
RW
Reset
Description
[3:2]
Rsvd2
R
0x0
Reserved
Selects the DigMic mode:
0 = disabled
[1:0]
Mode
RW
0x1
1 = dual mono
2 = single stereo 0
3 = single stereo 1
5.5. DAC0Cnvtr Node (NID = 0x02)
5.5.1. DAC0Cnvtr Frmt
Get
Set1
Table 48. DAC0Cnvtr Frmt Command Verb Format
Verb ID
Payload
A
0000
2
See bits [15:0] of bitfield table
Response
See bitfield table
0000_0000h
Bit
[31:16]
[15]
[14]
[13:11]
Table 49. DAC0Cnvtr Frmt Command Response Format
Bitfield Name
RW
Reset
Description
Rsvd2
R
0x0
Reserved
StrmType
R
0x0
Stream Type: only PCM streams are
supported by this widget.
RateBase
Sample Base Rate
RW
0x0
0 = 48 KHz
1 = 44.1 KHz
RateMult
Sample Base Rate Multiple
000 = 48 KHz / 44.1 KHz or less
RW
0x0
001 = x2
010 = Reserved (x3)
011 = x4
100-111 = Reserved
IDT™ 2-CHANNEL HIGH DEFINITION AUDIO CODEC WITH DUAL DIGITAL MICROPHONE INTERFACES 37
IDT CONFIDENTIAL
STAC9202
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