NXP Semiconductors i.MX RT600 Audio Evaluation Kit (IMXRT685-AUD-EVK)

NXP Semiconductors i.MX RT600 Audio Evaluation Kit (IMXRT685-AUD-EVK) implements an Arm® Cortex®-M33 core, combined with the highly optimized Cadence® Tensilica® HiFi 4 DSP processor core.

The NXP IMXRT685-AUD-EVK kit supports development for the IMXRT685 with features ideal for ML/AI, voice, and audio applications. The i.MX RT600 AUD-EVK jumpstarts designs with the included schematics and layout files.


  • Audio
    • Cirrus Logic CS42448 6 input / 8 output codec
    • Audio expansion connector
    • 4 x ¼" stereo output jacks
    • 2 x ¼" stereo input jacks
  • Debug Capabilities
    • On-board LPC-Link2 type debug probe with VCOM and CMSIS-DAP or J-link firmware options
    • USB to SPI bridge
    • 20-pin Coresight debug connectors supporting the use of external debug / trace probes
    • Miktor trace connector
  • Connectivity
    • High/full-speed USB port with micro-A/B connector for a host or device functionality
  • Sensors
    • On-board SPH0641lM4H digital microphone
    • InvenSense ICM 42688-P 6-axis I3C motion sensor
  • Board Memory
    • 64MB Macronix MX25U51245GXDI00 quad SPI Flash
    • 64Mb AP Memory APS6408L-OBM-BA PSRAM
  • Expansion Connectors
    • Arduino expansion connector
    • PMOD expansion
    • Expansion connector for up to 8 digital microphones
    • (supports NXP 8 channel DMIC board)
    • I3C header
  • Processor
    • Arm® Cortex®-M33/Cadence® Tensilica® HiFi 4 audio DSP
    • Up to 300MHz Arm Cortex-M33 core
  • User Interface
    • Reset and user buttons for easy testing of software functionality
    • User LEDs
  • Wireless
    • Optional NXP Wi-Fi® add-on cards using SD Card slot or M.2 connector


NXP Semiconductors i.MX RT600 Audio Evaluation Kit (IMXRT685-AUD-EVK)


NXP Semiconductors i.MX RT600 Audio Evaluation Kit (IMXRT685-AUD-EVK)
Published: 2022-03-18 | Updated: 2022-03-22