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Configurable Digital Microphone Board
The 8CH-DMIC is a highly configurable digital microphone board to complement NXP’s MCU products that include PDM microphone interfaces. The board features 11 digital PDM microphones, with up to 8 active at a time, enabling many different microphone topologies to be configured for evaluation and development. The 8CH-DMIC connects to a host MCU evaluation board via a simple connector, which also provides power and optional drive signals to drive onboard LEDs. All design files are provided for the board, and example code is provided in the MCUXpresso SDK for the host MCU evaluation board.
Product Details
Supported Devices
Processors and Microcontrollers
i.MX RT Crossover MCUs
- i.MX-RT600: i.MX RT600 Crossover MCU with Arm® Cortex®-M33 and DSP Cores
- i.MX-RT500: i.MX RT500 Crossover MCU with Arm® Cortex®-M33, DSP and GPU Cores
Features
Connectors
- 2 x 7 header for connection to host evaluation board
User Interface
- 8 LEDs, controlled via I²C interface
Sensors
- 11 x Dual Knowles SPH0641lM4H digital microphone
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Design Resources
Design Files
Quick reference to our
design files types.
1 design file
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Printed Circuit Boards and Schematics
Eight-Channel DMIC Board Design Files
Software
Quick reference to our software types.
2 software offerings
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Development IDEs and Build Tools
winIDEA
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Development IDEs and Build Tools
Arm Keil MDK
