Kinetis® KW20Z-2.4 GHz 802.15.4 Wireless Radio Microcontroller based on Arm® Cortex®-M0+

Block Diagram

Kinetis W Series KW20Z MCUs Block Diagram

Kinetis<sup>&#174;</sup> W Series KW20Z MCUs Block Diagram


802.15.4 Radio

  • IEEE Std. 802.15.4-2011 Standard Compliant
  • Typical Receiver Sensitivity = -102 dBm
  • Programmable Transmitter Output Power up to +5 dBm

Core and Memories

  • Up to 48 MHz Arm® Cortex®-M0+ core
  • On-chip 160 KB Flash memory
  • On-chip 20 KB SRAM

Low Power Consumption and Operating Voltage Ranges

  • Nine low-power modes to provide power optimization based on application requirements
  • Typical Rx/Tx Current (DC/DC Enabled): 6.5 mA / 8.4 mA
  • Bypass Voltage: 1.71V to 3.6V
  • DCDC Converter Buck Configuration: 2.1V to 4.2V
  • DCDC Converter Boost Configuration: 0.9V to 1.795V

Analog modules

  • 16-bit Analog-to-Digital Converter (ADC)
  • 12-bit Digital-to-Analog Converter (DAC)
  • 6-bit High Speed Analog Comparator (CMP)


  • AES-128 Accelerator (AESA), True Random Number Generator (TRNG)

Supported Software

  • 802.15.4 MAC and SMAC
  • Kinetis® Software Development Kit (SDK)
  • The FreeRTOS kernel and a bare-metal non-preemptive task scheduler

Part numbers include: MKW20Z160VHT4.

Comparison Table

Kinetis KW40Z Family Recommended Solutions


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

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