Arm® Cortex®-M4|Kinetis KW2xD 2.4 GHz 32-bit MCUs

For best experience this site requires Javascript to be enabled. To enable on your browser, follow our accessibility instructions.

Products
Wireless Connectivity
Thread
Arm^® Cortex^®-M4|Kinetis KW2xD 2.4 GHz 32-bit MCUs

Note: JN5189/88T is preferred for any new new Zigbee®, Thread design. No new software releases planned

The Kinetis^® KW2xD wireless MCU provides a low-power, compact device with integrated IEEE 802.15.4 radio, targeting control and monitoring applications for home and building automation including appliances, access control, climate control, energy management, lighting, safety and security. The KW2xD supports Thread, a lightweight, low latency IPv6 mesh networking stack, specifically designed to meet the requirements of next generation wireless networks. More information on Thread can be found here

Provides enough memory to run complicated protocol stacks and user applications on a single IC
Protects code and data from unauthorized access or modification
Enables a set of specialized operations to improve throughput of encryption/decryption operations
Significantly reduces power consumption and extends battery life

Data Sheet

Reference Manual

Product Details

Block Diagram

Kinetis W Series KW2x MCUs Block Diagram

Get diagram PDF

Features

Processing Performance

Up to 50 MHz Arm^{^®} Cortex^®-M4 core with 16-channel-DMA

Memory

512 KB Flash and 64 KB RAM or
256 KB Flash and 32 KB RAM with:
- 64K FlexNVM (MKW21D256 only) and
- 4k bytes of enhanced EEPROM/FlexRAM

Connectivity

SPI (1)
UART (2)
I²C (2)
USB FS OTG (KW22 and KW24)

Mixed Signal

8-channel 16-bit SAR ADC
6-bit DA

Security and tamper detect

Cryptography Acceleration Unit (CAU)
AES encryption (FIPS 140)
External tamper detect
32-bit CRC

RF Features

Highly integrated 2.4 GHz RF transceiver
802.15.4 Packet processor
Supports single ended and diversity antennas
Dual PAN support
Programmable output power -30 to +8 dBm
Sensitivity -102 dBm
TX 17mA @ 0dBm (CPU sleep)
RX 19mA (CPU sleep)

Low Power operation

1.8 to 3.6 volts
Low-voltage detection
Multiple low power modes

System

Real-Time Clock (RTC)
In-circuit debug and Flash programming
Up to 24 GPIO
Multiple KBI
Operating temperature of –40°C to 105°C

Buy/Parametrics

‌ ‌ ‌	‌ ‌	‌ ‌	‌ ‌	‌ ‌	‌ ‌
‌ ‌ ‌	‌	‌	‌	‌	‌
‌ ‌ ‌	‌	‌	‌	‌	‌
‌ ‌ ‌	‌	‌	‌	‌	‌
‌ ‌ ‌	‌	‌	‌	‌	‌
‌ ‌ ‌	‌	‌	‌	‌	‌
‌ ‌ ‌	‌	‌	‌	‌	‌
‌ ‌ ‌	‌	‌	‌	‌	‌
‌ ‌ ‌	‌	‌	‌	‌	‌
‌ ‌ ‌	‌	‌	‌	‌	‌
‌ ‌ ‌	‌	‌	‌	‌	‌

Documentation

Quick reference to our documentation types.

1-5 of 28 documents

^{Fact Sheet}
Kinetis KW2x Wireless MCUs - Fact SheetFeatured

PDFRev 4Oct 20, 20154.2 MBKNTSKW2XFSEnglish
^{Data Sheet}
MKW2x Data Sheet: Supports MKW24D512V, MKW22D512V, MKW21D512V, and MKW21D256V ProductsFeatured

PDFRev 2Jun 12, 2016943.1 KBMKW2XDXXXEnglish
^{Reference Manual}
MKW2x Reference Manual: Supports MKW24D512, MKW22D512, MKW21D512, and MKW21D256Featured

PDFRev 3Jun 12, 20168.1 MBMKW2XDXXXRMEnglish
Sign in required
^{Reference Manual}
BeeStack™ Software Reference Manual for ZigBee 2007

PDFRev 1.3Jan 20, 20161.7 MBBSSRMZB2007English
Sign in required
^{Reference Manual}
BeeStack BlackBox ZTC Reference Manual

PDFRev 3Jan 18, 20167.4 MBBSBBZTCRMEnglish
Sign in required
^{Reference Manual}
USB-KW2x Hardware Reference Manual

PDFRev 0.3Mar 30, 20151.1 MBUSB-KW2XHWRMEnglish
Sign in required
^{Reference Manual}
TWR-KW2x Hardware Reference Manual

PDFRev 0Mar 26, 20141.5 MBTWR-KW2XHWRMEnglish
Sign in required
^{Application Note}
Thread Large Network

PDFRev 0Dec 12, 20171.5 MBAN12099English
^{Application Note}
Wireless Coexistence in the 2.4 GHz Band

PDFRev 0Sep 17, 20151.5 MBAN5185English
^{Application Note}
Power Management for Kinetis and ColdFire+ MCUs

PDFRev 2Apr 6, 20151.9 MBAN4503English, 中文
^{Application Note}
AN4857 - Low-Power Modes on MKW2x Family

PDFRev 2Oct 17, 2014188.6 KBAN4857English
^{Application Note}
Power supply options for Tower development plaftorm

PDFRev 0.1Sep 23, 20142.7 MBAN4649English, 中文
^{Application Note}
Hardware Design Considerations for MKW2x IEEE 802.15.4 Devices

PDFRev 0.0Jul 18, 2014434.1 KBAN4957English
^{Application Note}
Freescale 802.15.4 MAC Security Setup

PDFRev 0Jul 17, 2014200.4 KBAN4973English
^{Application Note}
I2C non-blocking communication

PDFRev 0Oct 21, 2013671.4 KBAN4803English
^{Application Note}
USB Mass Storage Device (MSD) Host Bootloader

PDFRev 1Dec 6, 20122.7 MBAN4368English, 中文
^{Application Note}
USB device firmware update (DFU) for Kinetis MCUs

PDFRev 1Oct 7, 20122.6 MBAN4370English, 中文
^{Application Note}
Using Kinetis DMA and GPIO to emulate timer functionality

PDFRev 0Sep 27, 2012866.8 KBAN4419English, 中文Associated File: AN4419SW
Sign in required
^{Application Note}
Using CMSIS-DSP Algorithms with MQX and Kinetis^® MCUs

PDFRev 0Mar 20, 2012691.7 KBAN4489English
^{Application Note}
Low-Power management with MQX RTOS on Kinetis MCUs

PDFRev 0Jan 30, 2012303.6 KBAN4447English, 中文
^{Application Note}
Prototyping with Tower System MCU development board

PDFRev 0Nov 11, 2011390.5 KBAN4390English
^{Application Note}
Using WinUSB with MCU integrating USB device controller

PDFRev 0Oct 20, 2011963.0 KBAN4378English
^{Application Note}
USB Mass Storage Device (MSD) Bootloader

PDFRev 0Oct 17, 2011511.8 KBAN4379English, 中文
^{User Guide}
FRDM-KW24D512 Freedom Development Platform User’s Guide - User’s Guide

PDFRev 1May 30, 20163.4 MBFRDMKW24DUGEnglish
Sign in required
^{User Guide}
Kinetis ZigBee Stack Demo Applications User's Guide

PDFRev 11Jan 19, 20161.3 MBKZSDAUGEnglish
Sign in required
^{User Guide}
OpenSDA on TWR-KW2x Users Guide

PDFRev 1.1Aug 12, 2014508.3 KBTKW2X_OSDAUGEnglish
Sign in required
^{Application Note Software}
Software files for Application Note AN4419

ZIPRev 0Sep 27, 20129.0 MBAN4419SWEnglish
Sign in required
^{Application Note Software}
Software for AN4368

ZIPRev 0Sep 28, 20114.7 MBAN4368SWEnglish
Sign in required

Show All

Design Resources

Design Files

Quick reference to our design files types.

4 design files

Receive the full breakdown. See the product footprint and more in the eCad file.

^{Printed Circuit Boards and Schematics}
TWR-KW21D256 Reference Design

ZIPRev CJan 14, 2014 00:00:008.5 MBTWR-KW21D256_PCBRD
Sign in required
DownloadToggle Dropdown
- Add to Queue
- Remove from Queue
- Recommended for large file sizes.
- View Queue
^{Printed Circuit Boards and Schematics}
TWR-KW24D512 Reference Design

ZIPRev CJan 14, 2014 00:00:008.4 MBTWR-KW24D512_PCBRD
Sign in required
DownloadToggle Dropdown
- Add to Queue
- Remove from Queue
- Recommended for large file sizes.
- View Queue
^{Printed Circuit Boards and Schematics}
USB-KW24D512 Reference Design

ZIPRev BJul 17, 2014 00:00:003.7 MBUSB-KW24D512_PCBRD
Sign in required
DownloadToggle Dropdown
- Add to Queue
- Remove from Queue
- Recommended for large file sizes.
- View Queue
^{Symbols and Footprints}
Kinetis^® Symbols, Footprints and Models

INTERNALRev 1.0Nov 27, 2017 11:23:001 KBCAD-SYMBOLFOOTPRINTS

Download

Hardware

Quick reference to our board types.

1-5 of 9 hardware offerings

^{Evaluation and Development Boards}
Kinetis^® KW2x Tower System ModulesFeatured

TWR-KW2x
^{Evaluation and Development Boards}
IEEE^® 802.15.4 Packet Sniffer USB Dongle Form FactorFeatured

USB-KW24D512
^{Emulators, Probes, and Programmers}
Universal Multilink Development Interface

UMultilink
^{Emulators, Probes, and Programmers}
Tracelink - Advance Trace Capture

TRACELINK
^{Emulators, Probes, and Programmers}
PEmicro Cyclone programmer

CYCLONE
^{Emulators, Probes, and Programmers}
PEmicro Cyclone FX programmer

CYCLONE-FX
^{Emulators, Probes, and Programmers}
LPC-Link2

OM13054
^{Emulators, Probes, and Programmers}
Universal Multilink FX High-Speed Development Interface

U-MULTILINK-FX
^{Reference Design}
Single-Phase Metering

SINGLE-PHASE-METER