STAC9271 Datasheet, PDF (25/223 Pages) Integrated Device Technology – 10-CHANNEL HIGH DEFINITION AUDIO CODEC

STAC9271/9272/9273/9274
10-CHANNEL HIGH DEFINITION AUDIO CODEC
PC AUDIO
Digital
Microphone
DMIC_0
Or
DMIC_1
Off-Chip
On-Chip
DMIC_0
OR
DMIC_1
DQ
CK
Pin
DMIC_CLK
Pin
Single Line In
On-Chip
Multiplexer
STEREO
ADC0, 1 or 2
PCM
Valid Data
Valid Data+1
Right
Channel
Left
Channel
DMIC_CLK
Figure 1. Single Digital Microphone (data is ported to both left and right channels)
Stereo Channels
Output
Digital
Microphones
Off-Chip On-Chip
External
Multiplexer
DMIC_0
OR
DMIC_1
Pin
On-Chip
Multiplexer
STEREO
ADC0, 1 or 2
PCM
Stereo Channels
Output
DMIC_CLK
Pin
DMIC_0
Or
DMIC_1
Valid R
Data
Right
Channel
Valid L
Data
Left
Channel
DMIC_CLK
Figure 2. Stereo Digital Microphone Configuration
IDT™ 10-CHANNEL HIGH DEFINITION AUDIO CODEC
25
IDT CONFIDENTIAL
STAC9271/9272/9273/9274 V 1.0 MARCH2007