Arm® Cortex®-M0+|Kinetis® KW20Z 2.4 GHz 32-bit MCUs

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

The KW20Z 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 KW20Z Wireless MCU integrates a 2.4 GHz transceiver supporting O-QPSK modulations, an Arm^® Cortex^®-M0+ CPU, 160 KB Flash and 20 KB SRAM, 802.15.4 packet processor, hardware security and peripherals optimized to meet the requirements of the target applications.

Data Sheet

Reference Manual

Product Details

Block Diagram

Kinetis W Series KW20Z MCUs Block Diagram

Get diagram PDF

Features

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)

Security

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

Part Number	Wireless Connectivity Protocol	Package Size	Hardware Development Tool
MKW40Z160VHT4	Bluetooth Low Energy and IEEE 802.15.4	7 mm x 7 mm x 1 mm 48-pin Laminate QFN	FRDM-KW40Z USB-KW40Z
MKW30Z160VHM4	Bluetooth Low Energy	5 mm x 5 mm x 1 mm 32-pin Laminate QFN
MKW20Z160VHT4	IEEE 802.15.4	7 mm x 7 mm x 1 mm 48-pin Laminate QFN

MCUXpresso Software and Tools

MCUXpresso Config Tools – A comprehensive suite of system configuration tools, including pins, clocks, SDK builder and more.

MCUXpresso SDK – An open-source software development kit (SDK) built specifically for your processor and evaluation board selections.

MCUXpresso IDE – An easy-to-use integrated development environment (IDE) for creating, building, debugging, and optimizing your application.

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

Technical content and expertise to help jump start your design and get you to production faster.

Buy/Parametrics

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Documentation

Quick reference to our documentation types.

1-5 of 6 documents

^{Fact Sheet}
Kinetis KW40Z/30Z/20Z Wireless MCUs Fact SheetFeatured

PDFRev 0Jun 12, 2015142.2 KBKNTSKW40ZFSEnglish
^{Data Sheet}
MKW40Z/30Z/20Z Data Sheet

PDFRev 1.2May 1, 2018960.2 KBMKW40Z160English
^{Reference Manual}
MKW40Z/30Z/20Z Reference Manual

PDFRev 1.4.1Sep 28, 20228.8 MBMKW40Z160RMEnglish
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^{Application Note}
Compact Planar Antennas for 2.4 GHz Communication Designs and Applications within NXP EVK Boards

PDFRev 4Nov 11, 20204.5 MBAN2731English, 中文
^{User Guide}
Software Porting From MKW40Z to MKW30Z and MKW20Z Wireless MCUs

PDFRev 0Jan 12, 2016706.0 KBMKWSWPUGEnglish
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^{User Guide}
FRDM-KW40Z Freescale Freedom Development Board

PDFRev 2Oct 12, 20152.2 MBFRDMKW40ZUGEnglish
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Design Resources

Design Files

Quick reference to our design files types.

1 design file

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

^{Symbols and Footprints}
Kinetis^® Symbols, Footprints and Models

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

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Hardware

Quick reference to our board types.

1-5 of 8 hardware offerings

^{Evaluation and Development Boards}
Bluetooth Low Energy/IEEE^® 802.15.4 Packet Sniffer USB Dongle for Kinetis^® KW40Z/30Z/20Z MCUsFeatured

USB-KW40Z
^{Evaluation and Development Boards}
Freedom Development Platform for Kinetis^® KW40Z/30Z/20Z MCUsFeatured

FRDM-KW40Z
^{Emulators, Probes, and Programmers}
Universal Multilink Development Interface

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

CYCLONE
^{Evaluation and Development Boards}
Bluetooth Low Energy/IEEE^® 802.15.4 Packet Sniffer/USB Dongle

USB-KW41Z

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Software

Quick reference to our software types.

2 software files

^{Connectivity Software}
Kinetis KW40Z Connectivity Software

EXERev 1.0.1Dec 10, 2015 00:00:0039.4 MBKW40Z-CONNECTIVITY-SOFTWARE
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^{Connectivity Software}
Test Tool for Connectivity Products

EXERev 12.9.2.2Oct 2, 2020 08:29:0092.4 MBTest_Tool_12.9.2.2
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Note: For better experience, software downloads are recommended on desktop.

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

Product Details

Block Diagram

Kinetis W Series KW20Z MCUs Block Diagram

Features

802.15.4 Radio

Core and Memories

Low Power Consumption and Operating Voltage Ranges

Analog modules

Security

Supported Software

Comparison Table

Kinetis KW40Z Family Recommended Solutions

MCUXpresso Software and Tools

Protocol Stacks

Connectivity Software

NXP Designs: Reference Design Library

Related products

Applications

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Bluetooth Low Energy/IEEE® 802.15.4 Packet Sniffer USB Dongle for Kinetis® KW40Z/30Z/20Z MCUsFeatured

Freedom Development Platform for Kinetis® KW40Z/30Z/20Z MCUsFeatured

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

Kinetis^® Symbols, Footprints and Models

Bluetooth Low Energy/IEEE^® 802.15.4 Packet Sniffer USB Dongle for Kinetis^® KW40Z/30Z/20Z MCUsFeatured

Freedom Development Platform for Kinetis^® KW40Z/30Z/20Z MCUsFeatured