• Core

  Cortex-M0+, 48 MHz

• Family

  KWxx Series

• Sub-Family

  KW21Z

• CMSIS Pack

  Kinetis_KWxx_DFP

The KW21Z is an ultra low-power, highly-integrated single-chip device that enables IEEE® 802.15.4-2011 RF connectivity for portable, extremely low-power embedded systems.
Applications include portable health care 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 devices including routers and end devices as well as border routers when adding connectivity for communicating with the cloud.