Kinetis® KL8x-72/96 MHz Secure Ultra-Low Power Microcontrollers (MCUs) based on Arm® Cortex®-M0+ Core

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Block Diagram

Kinetis KL8x MCU Family

Kinetis KL8x MCU Family



  • 128 KB Program flash memory
  • 96 KB SRAM
  • 32 KB ROM with built-in bootloader
  • 32 B Backup register
  • QSPI to expand program code in external high-speed serial NOR flash memory


  • 72 MHz Arm® Cortex®-M0+ core (with up to 96 MHz for high-speed run)

Connectivity and Communications

  • USB full-speed 2.0 OTG controller supporting crystal-less operation and keeping connection alive under ultra-low power modes
  • Three low-power UART modules
  • One FlexIO module supporting emulation of additional UART, SPI, I2C, I2S, PWM and other serial modules, up to 32 channels
  • Touch sensing interface up to 16 channels

Analog Front End

  • One 16-bit ADC module with high accurate internal voltage reference and up to 16 channels
  • High-speed analog comparator containing a 6-bit DAC for programmable reference input
  • One 12-bit DAC module

Advanced Security

  • 80-bit unique identification number per chip
  • Advanced flash security and access control
  • Hardware CRC module
  • Low-power trusted crypto engine supporting AES128/256,DES, 3DES, SHA256, RSA and ECC, with hardware DPA
  • True random number generator
  • Up to 8 active anti-tamper detection pins
  • Tamper detection monitoring temperature, voltage and frequency

Operating Voltage and Temperature Range

  • Voltage range of 1.71 V to 3.6 V
  • Temperature range of -40°C to 105°C

Part numbers include: MKL81Z128CBH7, MKL81Z128VLK7, MKL81Z128VMC7, MKL81Z128VMP7, MKL82Z128VLK7, MKL82Z128VMC7, MKL82Z128VMP7.


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5 software files

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

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