FRDM-KL25Z Development Board with Cortex-M0+ MKL25Z128VLK4 MCU
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Prices updated: 13 Oct 2026
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About this product
The FRDM-KL25Z is a low-cost development board built around the MKL25Z128VLK4 microcontroller, which uses an ARM Cortex-M0+ core running at up to 48 MHz. It gives easy access to the MCU I/O pins and includes a built-in debug interface for flash programming and run-control. It supports the mbed online development environment.
Specifications
- MCU
- MKL25Z128VLK4
- Core
- ARM Cortex-M0+
- Clock speed
- 48 MHz
- Flash memory
- 128 KB
- Debug interface
- Built-in, for flash programming and run-control
- Software support
- mbed online SDK and Freescale tools
Frequently asked questions
How do I program the FRDM-KL25Z?
The board has a built-in debug interface for flash programming and run-control. You can develop with the mbed online tools or with Freescale and third-party IDEs.
Can it run from a battery?
The board is described as battery-ready with low-power operation. Check the supply requirements and the 3.3 V I/O level before connecting any battery or external sensor.
