92hd75b Integrated Device Technology, 92hd75b Datasheet - Page 22
92hd75b
Manufacturer Part Number
92hd75b
Description
Four Channel Hd Audio Codec
Manufacturer
Integrated Device Technology
Datasheet
1.92HD75B.pdf
(214 pages)
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4-CHANNEL HD AUDIO CODECS OPTIMIZED FOR LOW POWER
92HD75B
4-CHANNEL HD AUDIO CODECS OPTIMIZED FOR LOW POWER
Microphones
Microphones
Digital
Digital
DMIC_CLK
DMIC_0
DMIC_1
Note: Some Digital Microphone Implementations support data on either edge, therefore, the external
mux may not be required.
Multiplexer
Multiplexer
External
External
DMIC_CLK
Off-Chip
Figure 8. Quad Digital Microphone Configuration
DMIC_0
DMIC_1
Channel
Right
Pin
Pin
Pin
Data R0
Data R1
Valid
Valid
On-Chip
Channel
Data L0
Data L1
Valid
Valid
Left
Multiplexer
Multiplexer
On-Chip
On-Chip
Channel
Data R0
Data R1
Right
Valid
Valid
22
Data L0
Data L1
Valid
Valid
Channel
Left
STEREO
STEREO
ADC0
ADC1
PCM
PCM
Data R0
Data R1
Valid
Valid
92HD75B
Stereo Channels
Stereo Channels
DMIC_0 L&R
DMIC_1 L&R
Output For
Output For
PC AUDIO
V 1.0 01-09
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