Table 2. Related documentation (continued)
Document
Description
Link/How to access
AUD-EVK board interfaces, power
supplies, clocks, push buttons, jumpers,
and LEDs.
1.3 Kit content
The table below describes the items included in the 8-CH DMIC board kit.
Table 3. Kit contents
Item
Quantity
Board hardware assembly
1
1.4 Block diagram
The figure below describes the 8-CH DMIC block diagram.
Main Board
Interface
connector
Clock
Buffers
CLK01,
CLK23,
CLK45,
CLK67
Switch
Matrix
Switch
Matrix
DCDC VDD to
3.3V Regulator
DMIC
Array
LEDC
Array
LED
Driver
DATA01,
DATA23,
DATA45,
DATA67
I2C
VDD
(1.8V to
3.3V)
Configuration Jumpers (14)
3.3V
VDD
VDD
VDD
CLK01,
CLK23,
CLK45,
CLK67
VDD
CLK01,
CLK23,
CLK45,
CLK67
DATA01,
DATA23,
DATA45,
DATA67
Figure 1. 8-CH DMIC block diagram
1.5 Board pictures
The figure below shows the top side of the board, and highlights the jumpers and LEDs available on the board.
NXP Semiconductors
Overview
Eight-channel DMIC Board User Manual, Rev. 2, 15 March 2022
User Guide
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