stac9202x5taea1xr Integrated Device Technology, stac9202x5taea1xr Datasheet - Page 118
stac9202x5taea1xr
Manufacturer Part Number
stac9202x5taea1xr
Description
Two-channel High Definition Audio Codec With Dual Digital Microphone Interfaces
Manufacturer
Integrated Device Technology
Datasheet
1.STAC9202X5TAEA1XR.pdf
(135 pages)
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IDT™
STAC9202
2-CHANNEL HIGH DEFINITION AUDIO CODEC WITH DUAL DIGITAL MICROPHONE INTERFACES
5.23. ADC0InMux Node (NID = 0x14)
2-CHANNEL HIGH DEFINITION AUDIO CODEC WITH DUAL DIGITAL MICROPHONE INTERFACES
5.23.1. ADC0InMux WCap
[31:8]
[31:24]
[23:20]
[19:16]
[15:12]
[7:0]
Bit
[11]
Bit
Get
Bitfield Name
Bitfield Name
Divider
Rsvd
SwapCap
Rsvd2
Rsvd1
Delay
Table 277. ADC0InMux WCap Command Response Format
Type
Table 275. PCBeep Gen Command Response Format
Table 276. ADC0InMux WCap Command Verb Format
IDT CONFIDENTIAL
RW
RW
R
Verb ID
F00
RW
R
R
R
R
R
Reset
0x00
0x0
Reset
0x0
0x3
0x0
0x0
0x1
Reserved
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.
Reserved
Widget type = Audio Selector
Number of sample delays through widget
Reserved
Left and right channels can be swapped
Payload
09
118
Description
Description
STAC9202
See bitfield table
Response
PC AUDIO
V 1.2 01/08
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