Kinetis® KW21Z-2.4 GHz 802.15.4
Wireless Radio Microcontroller (MCU)
based on Arm® Cortex®-M0+ Core
KW21Z
Last Updated: Apr 25, 2022
Note: JN5189/88T is preferred for any new Zigbee
®
, Thread design. No new software releases
planned
The KW21Z is an ultra-low-power, highly-integrated single-chip device that enables IEEE
®
802.15.4 RF connectivity for portable, extremely low-power embedded systems. Applications
include portable healthcare devices, access control, security systems, smart energy and home
area networks.
The KW21Z Wireless MCU integrates a 2.4 GHz transceiver supporting O-QPSK modulations,
an Arm
®
Cortex
®
-M0+ CPU, up to 512 KB Flash and up to 128 KB SRAM, 802.15.4 packet
processor, hardware security and peripherals optimized to meet the requirements of the
target applications. The KW21Z is an ideal solution for single-chip Thread and Zigbee devices
including routers and end devices as well as border routers and Coordinators when adding
connectivity for communicating with the cloud.
Kinetis® W Series KW21Z MCUs Block Diagram Block Diagram
View additional information for Kinetis® KW21Z-2.4 GHz 802.15.4 Wireless Radio Microcontroller (MCU) based on Arm®
Cortex®-M0+ Core.
Note: The information on this document is subject to change without notice.
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