NXP Semiconductors 8CH-DMIC, User Manual

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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 14 / 25