92HD005 Datasheet, PDF (17/205 Pages) Integrated Device Technology – 4-CHANNEL HD AUDIO CODEC WITH QUAD DIGITAL MICROPHONE INTERFACE

92HD005/92HD005D
4-CHANNEL HD AUDIO CODEC WITH QUAD DIGITAL MICROPHONE INTERFACE
PC AUDIO
Digital
Microphones
Figure 4. Stereo Digital Microphone Configuration
Off-Chip On-Chip
External
Multiplexer
DMIC_0
OR
DMIC_1
Pin
On-Chip
Multiplexer
STEREO
ADC0 or
ADC1
PCM
Stereo Channels
Output
DMIC_CLK
Pin
DMIC_0
Or
DMIC_1
Valid R
Data
Right
Channel
Valid L
Data
Left
Channel
DMIC_CLK
Note: Some Digital Microphone Implementations support data on either edge, therefore the
external mux may not be required.
IDT™
17
4-CHANNEL HD AUDIO CODEC WITH QUAD DIGITAL MICROPHONE INTERFACE
92HD005/92HD005D
V 1.0 12/06