Table 9. DMIC Array (continued)
Part identifier
Device
Mic
Description
U8
MIC4
Asserts data on CLK_MIC4 falling edge
U9
MIC5
Asserts data on CLK_MIC5 rising edge
U10
MIC6
Asserts data on CLK_MIC6 rising and falling
edge depending upon jumper J4 setting
U11
MIC7
Asserts data on CLK_MIC7 falling edge
2.2.1 DMIC configurations and signal connections
Ten different DMIC configurations are possible on the board as follows:
• 2DMIC
• 3DMIC[A]
• 3DMIC[B]
• 3DMIC[C]
• 4DMIC[A]
• 4DMIC[B]
• 5DMIC
• 6DMIC
• 7DMIC
• 8DMIC
The below tables describe the different DMIC configurations and respective data and clock signals that are active for
these configurations.
2DMIC configuration
Table 10. 2DMIC configuration
Part identifier
DMIC
Active Data and Clock signal
U1
DMIC0
DATA01 and CLK01
U6
DMIC3
The figure below shows the 2DDMIC configuration.
NXP Semiconductors
Functional Description
Eight-channel DMIC Board User Manual, Rev. 2, 15 March 2022
User Guide
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