KW21Z: Kinetis® KW21Z-2.4 GHz 802.15.4 Wireless Radio Microcontroller (MCU) based on Arm® Cortex®-M0+ Core

Overview

Features

Kinetis® W Series KW21Z MCUs Block Diagram

Kinetis<sup>&#174;</sup> W Series KW21Z MCUs Block Diagram

Kinetis W Series MCUs: Expanding the Possibilities

Video

Comparison Table

Kinetis KW41Z Family Solutions

Part Number Wireless Connectivity Protocol Memory Package Size Hardware Development Tool
MKW41Z512VHT4 Bluetooth Low Energy and IEEE® 802.15.4 512 KB Flash,
128 KB RAM
7 mm x 7 mm x 1 mm
48-pin Laminate QFN
FRDM-KW41Z
USB-KW41Z
MKW41Z256VHT4 256 KB Flash,
64 KB SRAM
MKW41Z512CAT4R 512 KB Flash,
128 KB RAM
3.9 mm x 3.8 mm
75-pin WLCSP
MKW31Z512VHT4 Bluetooth Low Energy 512 KB Flash,
128 KB RAM
7 mm x 7 mm x 1 mm
48-pin Laminate QFN
MKW31Z256VHT4 256 KB Flash,
64 KB SRAM
MKW31Z512CAT4R 512 KB Flash,
128 KB RAM
3.9 mm x 3.8 mm
75-pin WLCSP
MKW21Z512VHT4 IEEE® 802.15.4 512 KB Flash,
128 KB RAM
7 mm x 7 mm x 1 mm
48-pin Laminate QFN
MKW21Z256VHT4 256 KB Flash,
64 KB SRAM

Available Software Development Kits

Kinetis® SDK – Comprehensive software support for Kinetis MCUs including peripheral drivers, stacks and middleware.

HomeKit SDK for Kinetis MCUs - Full HomeKit support for home automation applications lets you communicate with and control connected accessories in a home environment.

Protocol Stacks

Connectivity Software

Kinetis Connectivity Software Version 1.0.1 includes the following components:

  • KW40Z Bluetooth® low energy v4.2 stack, v1.1.4
  • KW40Z IEEE® 802.15.4-2006/2011 MAC/PHY implementation v5.2.4
  • KW40Z Simple Media Access Controller (SMAC) v3.2.4
  • KW40Z-enabled Connectivity Framework

NXP Designs: Reference Design Library

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