92HD81 Datasheet, PDF (24/279 Pages) Integrated Device Technology – SINGLE CHIP PC AUDIO SYSTEM

92HD81
SINGLE CHIP PC AUDIO SYSTEM, CODEC+SPEAKER AMPLIFIER+CAPLESS HP+LDO
Figure 3. 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
24
©2009 INTEGRATED DEVICE TECHNOLOGY, INC.
V 0.995 01/11
92HD81