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32 Bit Microcontroller, ARM Cortex-M0+, 48MHz, Memory 128KB, RAM 16KB, I2C, SPI, UART, USB, LQFP-80


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Manufacturer Part No:
Newark Part No.:
Product Range
Kinetis L Family KL2x Series Microcontrollers
Technical Datasheet:
MKL25Z128VLK4   Datasheet
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Product Overview

The MKL25Z128VLK4 is an ultra-low-power Microcontroller, adds a full-speed USB 2.0 On-the-Go (OTG) controller or a full-speed crystal-less USB 2.0 device controller in addition to the Kinetis KL1x series. The Kinetis KL2x microcontroller family is compatible with Kinetis K20 MCUs (based on ARM® Cortex®-M4) and with all other Kinetis KL1x, KL2x, KL3x and KL4x series microcontrollers, providing a migration path to lower and higher performance and feature integration.
  • Ultra-low-power Consumption
  • Next-generation 32-bit ARM Cortex-M0+ Core - 2x More CoreMark/mA than Closest 8/16-bit Architecture
  • Single-cycle fast I/O access port facilitates bit banging and software protocol emulation
  • Compute Clocking option reduces dynamic power by placing peripherals in an Asynchronous stop mode
  • LPUART, SPI, I²C, FlexIO, ADC, DAC, LP timer & DMA support LP mode operation without waking up core
  • Up to 256kb Flash with 64-byte Flash Cache, up to 32kb RAM
  • Security Circuitry to Prevent Unauthorized Access to RAM and Flash Contents
  • 16kb ROM and Built-in boot loader simplifies effort to program MCU and allows easy flash upgrades
  • ARM Cortex-M0+ core, 48MHz Core Frequency Over Full Voltage and Temperature Range (-40 to +105°C)
  • Bit Manipulation Engine for Improved Bit Handling of Peripheral Modules
  • Thumb Instruction Set Combines High Code Density with 32-bit Performance
  • 4-channel DMA for peripheral & memory servicing with reduced CPU loading & faster system throughput
  • Independent-clocked COP Guards Against Clock Skew or Code Runaway for Fail-safe Applications
  • Up to 16-bit ADC with Configurable Resolution, Sample Time and Conversion Speed/Power
  • Integrated Temperature Sensor
  • High-speed Comparator with Internal 6-bit DAC
  • 12-bit DAC with DMA Support
  • Two 6-channel and One 2-channel 16-bit Low-power Timer PWM Modules with DMA Support
  • 2-channel 32-bit Periodic Interrupt Timer provide time base for RTOS task schedule or Trigger Source
  • Low-power Timer Allows Operation in All Power Modes Except for VLLS0


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Kinetis L Family KL2x Series Microcontrollers

ARM Cortex-M0+









USB Microcontroller



Kinetis L


MSL 3 - 168 hours

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Technical Documents (7)

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CAD Models - Notice
CAD Models and drawings are provided to you on a revocable limited licence for your internal use only but remain the property of the manufacturer who retain all intellectual property rights and ownership. They are provided to assist you in decision making and as design guide but are not guaranteed to be error free, accurate or up to date and is not intended to be taken as advice.
Use of these CAD models and other options provided are downloaded and used entirely at your own risk and by continuing you confirm acceptance of the above.

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