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92HD99B Datasheet, PDF (23/225 Pages) Integrated Device Technology – SINGLE CHIP PC AUDIO SYSTEM
92HD99
SINGLE CHIP PC AUDIO SYSTEM, CODEC+SPEAKER AMPLIFIER+CAPLESS HP+LDO
Figure 5. Single Digital Microphone (data is ported to both left and right channels
Digital
Microphone
Off-Chip On-Chip
DMIC_0
OR
DMIC_1
Single Line In
Pin
DMIC_CLK
Pin
STEREO
ADC0 or 1
PCM
On-Chip
Multiplexer
Stereo Channels
Output
Single Microphone not supporting multiplexed output.
DMIC_0
Or
DMIC_1
Valid Data
Right
Left
Channel Channel
Valid Data
DMIC_CLK
Valid Data
Single “Left” Microphone, DMIC input set to mono input mode.
DMIC_0
Or Valid Data
DMIC_1
Valid Data
Left & Right
Channel
Valid Data
Valid Data
DMIC_CLK
IDT CONFIDENTIAL
23
©2009 INTEGRATED DEVICE TECHNOLOGY, INC.
V1.2 1/12
92HD99