92hdw74d Integrated Device Technology, 92hdw74d Datasheet - Page 27

• Manufacturer Part Number: 92hdw74d
• Description: 8-channel Hd Audio Codec, Dual Spdif
• Manufacturer: Integrated Device Technology

EIGHT CHANNEL HD AUDIO CODEC, PREMIUM WLP 3/4 COMPLIANT
92HDW74D
EIGHT CHANNEL HD AUDIO CODEC, PREMIUM WLP 3/4 COMPLIANT
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
Figure 8: Quad Digital Microphone Configuration
Off-Chip
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
Right
Data R0
Data R1
Valid
Valid
27
Data L0
Data L1
Valid
Valid
Channel
Left
STEREO
STEREO
ADC0
ADC1
PCM
PCM
Data R0
Data R1
Valid
Valid
92HDW74D
Stereo Channels
Stereo Channels
DMIC_0 L&R
DMIC_1 L&R
Output For
Output For
PC AUDIO
V 1.0 03/08