92HD91 Datasheet, PDF (30/298 Pages) Integrated Device Technology – SINGLE CHIP PC AUDIO SYSTEM

92HD91
SINGLE CHIP PC AUDIO SYSTEM, CODEC+SPEAKER AMPLIFIER+CAPLESS HP+LDO
Figure 6. Stereo Digital Microphone Configuration
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
Right
Channel
Valid
Data L
Left
Channel
Valid
Data R
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
30
©2009 INTEGRATED DEVICE TECHNOLOGY, INC.
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92HD91