Kinetis® KL1x and KL2x 48 MHz MCUs Tower® System Module


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Supported Devices

Processors and Microcontrollers

KL Series Arm Cortex-M0+



    MKL25Z128VLK4 MCU

  • 48 MHz
  • 128 kB flash
  • 16 kB RAM
  • low-power
  • 80 LQFP package


  • Dual role USB interface with micro-AB USB connector
  • Touch Tower plug-in socket
  • General-purpose Tower plug-in (TWRPI) socket
  • Onboard debug circuit MK20 openSDA serial debug interface with virtual serial port and mass storage device boot loader


  • Three-axis accelerometer (MMA8451Q)
  • Four user-controllable LEDs
  • Tower compatible MCU module

MCUXpresso Software and Tools

Buy Options

  • TWR-KL25Z48M

  • Tower System Development Board for Kinetis KL14, KL15, KL24 and KL25 MCUs.

  • $159.85 USD
  • For a quantity of 1
Buy From Distributor


Quick reference to our documentation types.

1-5 of 12 documents

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Design Resources

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Design Files

2 design files

  • Printed Circuit Boards and Schematics


  • Printed Circuit Boards and Schematics

    TWR-KL25Z48M Design Package


2 software files

  • BSP, Drivers and Middleware

    MCUXpresso SDK - SDK BuilderFeatured

  • Code Snippets

    FRDM-KL25Z and TWRKL25Z48M Sample Code Package

Note: For better experience, software downloads are recommended on desktop.


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