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STAC9202 Datasheet(PDF) 118 Page - Integrated Device Technology

Part # STAC9202
Description  2-CHANNEL HIGH DEFINITION AUDIO CODEC WITH
PDF  135 Pages
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Manufacturer  IDT [Integrated Device Technology]
Direct Link  http://www.idt.com
Logo IDT - Integrated Device Technology

STAC9202 Datasheet(HTML) 118 Page - Integrated Device Technology

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STAC9202
2-CHANNEL HIGH DEFINITION AUDIO CODEC WITH DUAL DIGITAL MICROPHONE INTERFACES
PC AUDIO
IDT™
2-CHANNEL HIGH DEFINITION AUDIO CODEC WITH DUAL DIGITAL MICROPHONE INTERFACES
118
STAC9202
V 1.1 102606
IDT CONFIDENTIAL
5.23. ADC0InMux Node (NID = 0x14)
5.23.1.
ADC0InMux WCap
Table 275. PCBeep Gen Command Response Format
Bit
Bitfield Name
RW
Reset
Description
[31:8]
Rsvd
R
0x0
Reserved
[7:0]
Divider
RW
0x00
Enable internal PC-Beep generation.
Divider = 00h - disables internal PC Beep generation
and enables normal operation of the CODEC.
Divider not 00h - generates the beep tone on all Pin
Complexes that are currently configured as outputs.
The HD Audio spec states that the beep tone:
frequency = (48 KHz HD Audio SYNC rate) /
(4*Divider), producing tones from 47 Hz to 12 KHz
(logarithmic scale). Instead, this part generates tones
with frequency = 48000 * (257 - Divider) / 1024,
yielding a linear range from 12 KHz to 93.75 Hz in
steps of 46.875 Hz. If JackSenseVSR[Rate2x], then
the beep tones generated have:
frequency = 48000 * (513 - Divider) / 1024,
yielding a range of 24 KHz to 12093.75 Hz in steps of
46.875 Hz.
Table 276. ADC0InMux WCap Command Verb Format
Verb ID
Payload
Response
Get
F00
09
See bitfield table
Table 277. ADC0InMux WCap Command Response Format
Bit
Bitfield Name
RW
Reset
Description
[31:24]
Rsvd2
R
0x0
Reserved
[23:20]
Type
R
0x3
Widget type = Audio Selector
[19:16]
Delay
R
0x0
Number of sample delays through widget
[15:12]
Rsvd1
R
0x0
Reserved
[11]
SwapCap
R
0x1
Left and right channels can be swapped



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