NXP Freedom KL25Z MCU Development Kit with MKL25Z128VLK4 - FRDM-KL25Z

  • RS Stock No. 765-3727
  • Mfr. Part No. FRDM-KL25Z
  • Manufacturer NXP
Technical data sheets
Legislation and Compliance
RoHS Certificate of Compliance
Product Details

Kinetis L Cortex-M0+ Freedom Board

The NXP Freedom-KL25Z is a development board based on the Kinetus L Series (KL1x/KL2x) microcontrollers. It is designed for rapid microcontroller development and offers the ability to add expansion boards.

What are Kinetis L Series MCUs?
The Kinetis L series of microcontrollers are based on the Arm Cortex-M0+ processor core. They are ultra-low power MCUs which feature USB 2.0 OTG (On-The-Go) and are ideal for applications requiring connectivity.
This particular board houses the MKL25Z128VLK4 MCU. It has a processor speed of 48MHz with 128KB of flash memory and 16KB SRAM memory.

Which Operating Systems does the FRDM-KL25Z use?
The FRDM-KL25Z can be used with the Kinetis Software Development Kit (SDK). It is also compatible with Arm Mbed OS and Zephyr OS.

What’s on board?
MCU frequency: 48MHz
Memory: 128KB Flash, 16KB RAM
USB Connectors: 1 for KL25, 1 for OpenSDA software
Capacitive Touch: Touch Pad Slider
Accelerometer: MMA8451Q
Oscillator: 1 x 8MHz
I/O Connectors: Arduino compatible I/O headers (J1, J2, J9 & J10)
Switch: 1 x Reset Switch


USB-A to Micro USB-B cable required (not included) - RS Part 790-3656

Supplied with

Quick Reference card


NXP is a trademark of NXP B.V.

The Kinetis range of ARM Cortex core microcontrollers consists of multiple hardware- and software-compatible Cortex-M0+ and Cortex-M4 MCU families with exceptional low-power performance, memory scalability and feature integration. Families range from the entry-level Cortex-M0+ Kinetis L Series to the high-performance, feature-rich Cortex-M4 Kinetis K and include a wide selection of analogue, communication, HMI, connectivity and security features.

Attribute Value
Classification Development Kit
Kit Name Freedom KL25Z
Technology MCU
Processor Part Number MKL25Z128VLK4
57 In stock for delivery within 2 working days
Unit of sale: Each
(exc. VAT)
(inc. VAT)
Per unit
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