92hd81 Integrated Device Technology, 92hd81 Datasheet - Page 26
92hd81
Manufacturer Part Number
92hd81
Description
Single Chip Pc Audio System
Manufacturer
Integrated Device Technology
Datasheet
1.92HD81.pdf
(294 pages)
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SINGLE CHIP PC AUDIO SYSTEM, CODEC+SPEAKER AMPLIFIER+CAPLESS HP+LDO
92HD81
SINGLE CHIP PC AUDIO SYSTEM, CODEC+SPEAKER AMPLIFIER+CAPLESS HP+LDO
Microphones
Digital
Note: Some Digital Microphone Implementations support data on either edge, therefore, the
external mux may not be required.
DMIC_CLK
DMIC_0
DMIC_1
Or
Figure 6. Stereo Digital Microphone Configuration
Multiplexer
External
DMIC_CLK
Off-Chip
DMIC_0
DMIC_1
Channel
Pin
Pin
Right
Data R
Or
Valid
On-Chip
Channel
Data L
Multiplexer
Valid
Left
On-Chip
26
Data R
Valid
Data L
Valid
ADC0 or 1
STEREO
PCM
Data R
Valid
92HD81
Stereo Channels
Output
PC AUDIO
V 0.97 01/09
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