92HD73C
SIX CHANNEL HD AUDIO CODEC, PREMIUM WLP 3/4 COMPLIANT
PC AUDIO
Digital
Microphones
Off-Chip On-Chip
External
Multiplexer
DMIC_0
Or
DMIC_1
Pin
On-Chip
Multiplexer
STEREO
ADC0 or 1
PCM
Stereo Channels
Output
DMIC_CLK
Pin
DMIC_0
Or
DMIC_1
DMIC_CLK
Valid
Data R
Valid
Data L
Valid
Data R
Right
Left
Channel Channel
Valid
Data L
Valid
Data R
Figure 7: Stereo Digital Microphone Configuration
Note: Some Digital Microphone Implementations support data on either edge, therefore, the external
mux may not be required.
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SIX CHANNEL HD AUDIO CODEC, PREMIUM WLP 3/4 COMPLIANT
92HD73C
V 1.3 08/11