92HD71B7 Datasheet, PDF (21/216 Pages) Integrated Device Technology – 4-CHANNEL HD AUDIO CODEC OPTIMIZED FOR LOW POWER

92HD71B7
4-CHANNEL HD AUDIO CODEC OPTIMIZED FOR LOW POWER
Figure 6. Stereo Digital Microphone Configuration
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
Note: Some Digital Microphone Implementations support data on either edge, therefore, the external
mux may not be required.
IDT™ CONFIDENTIAL AND PROPRIETARY
21
4-CHANNEL HD AUDIO CODEC OPTIMIZED FOR LOW POWER
92HD71B7
V 0.9 07/07