NXP Semiconductors 8CH-DMIC Configurable Digital Microphone Board

NXP Semiconductors 8CH-DMIC Configurable Digital Microphone Board is highly configurable and designed to complement NXP’s MCU products, including PDM microphone interfaces. The 8CH-DMIC provides 11 digital PDM microphones, with up to 8 active at a time, allowing many different microphone topologies to be configured for evaluation and development.

The NXP 8CH-DMIC Configurable Digital Microphone Board uses a simple connector to connect to a host MCU evaluation board, supporting power and optional drive signals to drive onboard LEDs.

All design files are included for the board, and an example code is available in the MCUXpresso SDK for the host MCU evaluation board.

Features

Connectors
- 2×7 header for connection to host evaluation board
User Interface
- 8 LEDs, controlled via I²C interface

Sensors
- 11 x Dual Knowles SPH0641lM4H digital microphone

Components

i.MX RT600 Crossover MCU with Arm® Cortex®-M33, and DSP Cores
i.MX RT500 Crossover MCU with Arm® Cortex®-M33, DSP, and GPU Cores

NXP Semiconductors 8CH-DMIC Configurable Digital Microphone Board

Features

Components

Layout

Block Diagram

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