Arm® Cortex®-M0+|Kinetis® KW41Z 2.4 GHz Bluetooth Low Energy Thread Zigbee Radio MCUs

Product Details

Block Diagram

Kinetis^® W Series KW40Z MCUs Block Diagram

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Features

Multi-Protocol Radio

2.4 GHz Bluetooth Low Energy version 4.2 Compliant
IEEE Std. 802.15.4 Standard Compliant
Typical Receiver Sensitivity (Bluetooth Low Energy) = -95 dBm
Typical Receiver Sensitivity (802.15.4) = -100 dBm
Programmable Transmitter Output Power up to +3.5 dBm

Core and Memories

Up to 48 MHz Arm^® Cortex^®-M0+ core
Up to 512 KB Flash memory
Up to 128 KB SRAM
Excellent coexistence performance
Integrated balun to reduce system cost and PCB board area

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
Typical Rx/Tx Current (DC/DC Enabled): 6.8/6.1 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

Bluetooth Low Energy Host Stack and Profiles
Generic FSK Link Layer Software
Thread
Thread + Bluetooth Low Energy Stack
Zigbee 3.0
Zigbee 3.0 + Bluetooth Low Energy Stack
Kinetis^® Software Development Kit (SDK)
FreeRTOS kernel and a bare-metal non-preemptive task scheduler
Support for MCUXpresso and IAR

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	7 mm x 7 mm x 1 mm 48-pin Laminate QFN
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	7 mm x 7 mm x 1 mm 48-pin Laminate QFN
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	IEEE 802.15.4	256 KB Flash, 64 KB SRAM	7 mm x 7 mm x 1 mm 48-pin Laminate QFN

MCUXpresso Software and Tools

Protocol Stacks

Connectivity Software

MCUXpresso SDK for KW41Z includes the following components:

KW41Z Bluetooth^® low energy v4.2 stack, v1.2.8
KW41Z Thread^® stack v1.2.8
KW41Z Zigbee^® stack, v6.0.9
KW41Z IEEE^® 802.15.4-2006/2011 MAC/PHY implementation v5.3.8
KW41Z Generic FSK link layer software v1.0.7
KW41Z Simple Media Access Controller (SMAC) v3.3.7
KW41Z-enabled Connectivity Framework v5.3.8

NXP Designs: Reference Design Library

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

Design Resources

Design Files

1 design file

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^{Design Files - miscellaneous}
KW41Z/31Z/21Z Design in check-list

XLSXRev 1Nov 21, 201795.3 KBKW41Z-31Z-21Z-DESIGN-CHECK
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Hardware

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^{Evaluation and Development Boards}
Freedom Development Kit for Kinetis^® KW41Z/31Z/21Z MCUsFeatured

FRDM-KW41Z
^{Emulators, Probes, and Programmers}
LPC-Link2

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

U-MULTILINK-FX
Additional hardware available. View our featured partner solutions.
^{Emulators, Probes, and Programmers}
PEmicro Cyclone programmer

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

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

USB-KW41Z
^Designs
Layerscape LS1012A Smart Home Gateway Reference Design

SMART-HOME-GATEWAY
^Designs
Two-Phase Power Meter Reference Design

TWO-PHASE-POWER-METER
^Designs
Three-Phase Power Meter Reference Design

THREE-PHASE-POWER-METER
^Designs
NXP^® Rapid IoT Prototyping Kit

IOT-PROTOTYPING
^Designs
KW41Z Power Amplifier Reference Design

KW41Z-PA-RD

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^{Test Accessories and Debugger}
Arm ULINKpro

The ULINKpro debug and trace unit connects your PC's USB port to your target system and allows you to program, debug, and analyze your applications using its unique strea...

By Arm Platinum Partner
^{Test Accessories and Debugger}
Universal Access Device 3+ (UAD

The UAD3+, equipped with up to 4 GB of trace memory and powerful interfaces to target and host, is the right solution for trace, multicore debugging, profiling and code c...

By PLS Development Tools Gold Partner
^{Test Accessories and Debugger}
Flasher ARM

In-Circuit-Flash-Programmer based on the J-Link family for production and in-field-service. Offers fastest flash algorithms available, multiple integration options (RS232...

By SEGGER Microcontroller GmbH Gold Partner
^{Test Accessories and Debugger}
CYCLONE FX

Advanced Cyclone programmer. Models support high-speed in-circuit flash programming, debugging, and test of many NXP 8-/16-/32-bit MCUs. Enhanced speed/security/storage...

By P & E Microcomputer Systems, Inc Gold Partner
^{Test Accessories and Debugger}
TRACE32 JTAG/SWD Debugger for A

Lauterbach has experience in making world class microprocessor development tools since 1979. TRACE32 supports technologies like JTAG, SWD, NEXUS or ETM with embedded debu...

By Lauterbach Gold Partner
^{Test Accessories and Debugger}
J-Link ULTRA+

Builds atop the J-Link to further enhance the debug experience. The J-Link ULTRA+ is three times faster than the industry standard J-Link, at a 3 MBytes/s download speed ...

By SEGGER Microcontroller GmbH Gold Partner
^{Test Accessories and Debugger}
Arm ULINKplus

ULINKplus combines isolated debug connection, power measurement, and I/O for test automation. It gives you visibility to function, timing, and power consumption of your e...

By Arm Platinum Partner
^{Test Accessories and Debugger}
USB Multilink Universal FX

Multilink Universal FX is a high-speed,BDM/JTAG debug probe for Kinetis, LPC, S32, Qorivva MPC5xxx, MPC5xx/8xx, ColdFire, HC(S)12(X), S12Z, HCS08, RS08, DSC, 683xx, & HC1...

By P & E Microcomputer Systems, Inc Gold Partner
^{Test Accessories and Debugger}
CYCLONE LC

Production programmer. Models support high-speed, low-cost, in-circuit flash programming, debugging, & test of many NXP 8-/16-/32-bit systems. Stand-alone or host-control...

By P & E Microcomputer Systems, Inc Gold Partner
^{Test Accessories and Debugger}
J-Link PRO

J-Link PRO is an enhanced version of the SEGGER J-Link. This emulator supports ARM/Cortex devices. This has an Ethernet interface in addition to the USB interface. This ...

By SEGGER Microcontroller GmbH Gold Partner
^{Test Accessories and Debugger}
USB Multilink Universal

The USB Multilink Universal is an all-in-one BDM/JTAG debug probe for NXP Kinetis, LPC, i.MX RT, S32, HCS08, HC(S)12(X), S12Z, RS08, ColdFire V1/+V1, ColdFire V2-4*, Qori...

By P & E Microcomputer Systems, Inc Gold Partner
^{Test Accessories and Debugger}
Universal Access Device 2next (

The (UAD2next) combines the state-of-the-art debugging features and CAN with trace capabilities. It can be extended by plugin trace modules supporting e.g. ARM CoreSight ...

By PLS Development Tools Gold Partner
^{Test Accessories and Debugger}
Green Hills Probe

High speed on-chip download, run control and trace.

By Green Hills Software Platinum Partner
^{Test Accessories and Debugger}
Universal Access Device 2pro (U

The UAD2pro offers fast and flexible communication between Universal Debug Engine on the Host PC and the microcontroller target. Host interface is USB 2.0. Target interfa...

By PLS Development Tools Gold Partner
^{Test Accessories and Debugger}
Arm DSTREAM

The Arm DSTREAM family of high performance debug and trace probes enable Arm Development Studio to debug all Arm-based devices through a variety of interfaces.

By Arm Platinum Partner
^{Complementary Silicon or Component}
802.15.4 + Bluetooth Low Energy

The PAN4620 is Panasonic’s Internet of Things dual mode module comprising NXP’s Kinetis KW41Z SoC - a 2.4 GHz 802.15.4 and Bluetooth® Low Energy wireless radio microc...

By Panasonic Industrial Devices Europe GmbH Gold Partner
^{Embedded Board Solutions}
Modular Edge Node Platform

- Supports multiple RF modules (ZigBee, Thread, BLE, LoRa, Sub-GHz) - mikroBus™ Compatible - Supports 200+ readily available sensor modules

By VOLANSYS Gold Partner
^{Embedded Board Solutions}
uCLS1012A IoT SOM

The uCLS012A is multipurpose edge SOM that combines high-performance networking and connectivity with optional 802.15.4 networking. It uses the LS1012A QorIQ CPU, KW41z a...

By Arcturus Gold Partner
^{Embedded Board Solutions}
Modular IoT Gateway

i.MX6UL based "Modular IoT Gateway" - reference platform for various IoT Industries. Modular Hardware design and multi radio connectivity are its unique features. NFC bas...

By VOLANSYS Gold Partner
^{Embedded Board Solutions}
VOL KW41Z

-Ultra compact size 21mm x 16 mm -Bluetooth & Zigbee support -Hardware Encryption: AES 128-bit,TRNG -9 MCU Low-power modes -ARM® Cortex-M0+ MCU -Antenna Options: In...

By VOLANSYS Gold Partner
^{Embedded Board Solutions}
CENTAURI 200 Gateway

i.MX6UL based CENTAURI 200 Gateway platform to build various IoT applications based on Zigbee, Z-Wave, BLE, Thread, Wi-Fi, and LTE. The platform is pre-integrated with cl...

By VOLANSYS Gold Partner

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To find a complete list of our partners that support this product, please see our Partner Marketplace.

Software

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^{BSP, Drivers and Middleware}
MCUXpresso Software Development Kit (SDK)Featured

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^{BSP, Drivers and Middleware}
MCUXpresso Config Tools - Pins, Clocks, PeripheralsFeatured

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^{IDE and Build Tools}
MCUXpresso Integrated Development Environment (IDE)Featured

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Additional software available. View our featured partner solutions.
^{BSP, Drivers and Middleware}
MCUXpresso SDK - SDK Builder

EXTERNALRev 1.0Mar 2, 2017MCUXPRESSO-SDK

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^{Code Snippets}
2.4 GHz Bootloader for FXTH87E and MKW41Z^{(REV 1.0)}

ZIPRev 1.0Feb 6, 20206.3 MBBootloader_2.4GHz_FXTH87E_KW41Z
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^{Code Snippets}
MCU Bootloader for NXP Microcontrollers

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^{Operating Systems}
Zephyr™ OS for Edge Connected Devices

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^{Protocol Stacks}
Kinetis KW41Z Connectivity Software

EXERev 1.0.2Oct 11, 201664556 KBKW41Z-CONNECTIVITY-SOFTWARE
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^{Protocol Stacks}
Bluetooth Developer Studio Plug-In

ZIPRev 1.0.0Oct 11, 2016171.1 KBBDS-PLUG-IN-FOR-KSDK
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^{Protocol Stacks}
Kinetis KW41Z Connectivity Software Linux

TGZRev 1.0.2Nov 16, 2016157733 KBKW41Z-CONNECTIVITY-SOFTWARE-LIN
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Design Studio Integrated Development Environment (IDE)

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IoT Toolbox - Google Android app

HTMLRev 0May 8, 201915 KBIoT-Toolbox-Google-Android-app

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^{Test, Debug and Analyzer Software}
IoT Toolbox – Apple iOS app

HTMLRev 0May 8, 20196 KBIoT-Toolbox-Apple-iOS-app

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^{Test, Debug and Analyzer Software}
Kinetis Protocol Analyzer Adapter

EXERev 2.0.4Feb 20, 202116.5 MBKinetis_Protocol_Analyzer_Adapter_2.0.4.1
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Test Tool for Connectivity Products

EXERev 12.9.2.2Oct 2, 202092.4 MBTest_Tool_12.9.2.2
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