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The TWR-KL25Z48M MCU module featuring the Kinetis L Series Arm^® Cortex^®-M0+ MCU is designed to work either in standalone mode or as part of the Tower^® System, a modular development platform that enables rapid prototyping and tool re-use through reconfigurable hardware. The TWR-KL25Z48M is supported by a range of NXP and third-party development software.

Design Files

Software

Product Details

Supported Devices

Processors and Microcontrollers

KL Series Arm Cortex-M0+

KL1x: Kinetis^® KL1x-48 MHz, Mainstream Small Ultra-Low Power Microcontrollers (MCUs) based on Arm^® Cortex^®-M0+ Core
KL2x: Kinetis^® KL2x-72/96 MHz, USB Ultra-Low-Power Microcontrollers (MCUs) based on Arm^® Cortex^®-M0+ Core

Features

Microcontroller

MKL25Z128VLK4 MCU

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

Connectivity

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

Sensors

Three-axis accelerometer (MMA8451Q)

Four user-controllable LEDs
Tower compatible MCU module

MCUXpresso Software and Tools

Buy Options

Click to expand

TWR-KL25Z48M
Active

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

Kit Contains

TWR-KL25Z48M 32-bit MCU module with MKL25Z128VLK4 MCU (80LQFP)
3ft A to mini-B USB cable for debug interface and power
Quick Start Guide

Order from distributors

Distributor	Region	Inventory	Inventory Date	Order

Upon selection of a preferred distributor, you will be directed to their web site to place and service your order. Please be aware that distributors are independent businesses and set their own prices, terms and conditions of sale. NXP makes no representations or warranties, express or implied, about distributors, or the prices, terms and conditions of sale agreed upon by you and any distributor.

Documentation

Quick reference to our documentation types

1-10 of 11 documents

Compact List

Kinetis Bootloader to Update Multiple Devices in a Field Bus Network[AN5204]

PDFJan 28, 2016Rev 0
Emulating UART by Using FlexIO[AN5034]

PDFJan 5, 2015Rev 0
MQX Board Support Package (BSP) - Porting Guide on KEIL[AN4626]

PDFOct 31, 2012Rev 0
Low-cost universal Motor Drive using Kinetis L MCUs[AN4609]

PDFOct 24, 2012Rev 0
USB device firmware update (DFU) for Kinetis MCUs[AN4370]

PDFOct 7, 2012Rev 1

AN5034SW[AN5034SW]

ZIPJan 5, 2015Rev 0

TWR-KL25Z Tower Module - Errata[TWR-KL25Z_ERRATA]

PDFApr 26, 2013Rev 1.1
Errata Mask 1N97F for Kinetis^® L MCUs[KINETIS_L_1N97F]

PDFMar 27, 2013Rev 12 FEB 2013

TWR-KL25Z48M Quick Start Guide[TWR-KL25Z48MQSG]Featured

PDFNov 26, 2014Rev 1

TWR-KL25Z Tower User Module[TWR-KL25Z-UM]FeaturedGetting Started

PDFSep 20, 2016Rev 1.1
OpenSDA[OPENSDAUG]Getting Started

PDFSep 18, 2012Rev 0.94

Design Resources

Design Files

Quick reference to our design files types.

2 design files

Printed Circuit Boards and Schematics
sch-27472_c

PDFRev CAug 17, 2012 00:00:00464.22 KBTWR-KL25Z48M_SCH
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Printed Circuit Boards and Schematics
TWR-KL25Z48M Design Package

ZIPRev 1.1Apr 25, 2013 00:00:006.59 MBTWR-KL25Z48M-PWB
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Software

Quick reference to our software types.

2 software files

Examples and Quick Start Software
MCUXpresso SDK - SDK BuilderFeatured

EXTERNALRev 26.06.00Jun 30, 2026 13:05:00MCUXPRESSO-SDK

Download
Code Snippets
FRDM-KL25Z and TWRKL25Z48M Sample Code Package

EXERev 10Oct 25, 2013 00:00:0025.10 MBKL25_SC
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Note: For better experience, software downloads are recommended on desktop.

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

Product Details

Supported Devices

Processors and Microcontrollers

KL Series Arm Cortex-M0+

Features

Microcontroller

Connectivity

Sensors

MCUXpresso Software and Tools

Applications

Consumer

Buy Options

TWR-KL25Z48M Active

Documentation

Filter by

Application Note (5)

Kinetis Bootloader to Update Multiple Devices in a Field Bus Network[AN5204]

Emulating UART by Using FlexIO[AN5034]

MQX Board Support Package (BSP) - Porting Guide on KEIL[AN4626]

Low-cost universal Motor Drive using Kinetis L MCUs[AN4609]

USB device firmware update (DFU) for Kinetis MCUs[AN4370]

Application Note Software (1)

AN5034SW[AN5034SW]

Errata (2)

TWR-KL25Z Tower Module - Errata[TWR-KL25Z_ERRATA]

Errata Mask 1N97F for Kinetis® L MCUs[KINETIS_L_1N97F]

Quick Reference Guide (1)

TWR-KL25Z48M Quick Start Guide[TWR-KL25Z48MQSG]Featured

User Guide (2)

TWR-KL25Z Tower User Module[TWR-KL25Z-UM]FeaturedGetting Started

OpenSDA[OPENSDAUG]Getting Started

TWR-KL25Z Tower User ModuleFeatured

TWR-KL25Z48M Quick Start GuideFeatured

OpenSDAGetting Started

Design Resources

Design Files

Filter by

sch-27472_c

TWR-KL25Z48M Design Package

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Software

Filter by

MCUXpresso SDK - SDK BuilderFeatured

FRDM-KL25Z and TWRKL25Z48M Sample Code Package

Filter By

Support

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Suggested Links

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

TWR-KL25Z48M
Active

Errata Mask 1N97F for Kinetis^® L MCUs[KINETIS_L_1N97F]