KW2xD: Kinetis^® KW2xD-2.4 GHz 802.15.4 Wireless Radio Microcontroller (MCU) based on Arm^® Cortex^®-M4 Core

Overview

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

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

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

Application Notes

Kinetis W Series KW2x MCUs Block Diagram

Kinetis W Series KW2x MCUs Block Diagram

Kinetis W Series KW2x MCUs Block Diagram

Kinetis W Series KW2x MCUs Block Diagram

Kinetis W Series KW2x MCUs Block Diagram

Development Boards and Designs

FRDM-KW24D512 : Freedom Development Platform for Kinetis<sup>®</sup> KW2x MCUs thumbnail

FRDM-KW24D512:Freedom Development Platform for Kinetis^® KW2x MCUs

Evaluation and Development Boards

SINGLE-PHASE-METER : Single-Phase Metering thumbnail

Single-Phase Metering

Designs

USB-KW24D512 : IEEE<sup>®</sup> 802.15.4 Packet Sniffer USB Dongle Form Factor thumbnail

USB-KW24D512:IEEE^® 802.15.4 Packet Sniffer USB Dongle Form Factor

Evaluation and Development Boards

TWR-KW2x : Kinetis<sup>®</sup> KW2x Tower System Modules thumbnail

TWR-KW2x:Kinetis^® KW2x Tower System Modules

Evaluation and Development Boards

Development Boards and Designs

FRDM-KW24D512 : Freedom Development Platform for Kinetis<sup>®</sup> KW2x MCUs thumbnail

FRDM-KW24D512:Freedom Development Platform for Kinetis^® KW2x MCUs

Evaluation and Development Boards

SINGLE-PHASE-METER : Single-Phase Metering thumbnail

Single-Phase Metering

Designs

USB-KW24D512 : IEEE<sup>®</sup> 802.15.4 Packet Sniffer USB Dongle Form Factor thumbnail

USB-KW24D512:IEEE^® 802.15.4 Packet Sniffer USB Dongle Form Factor

Evaluation and Development Boards

TWR-KW2x : Kinetis<sup>®</sup> KW2x Tower System Modules thumbnail

TWR-KW2x:Kinetis^® KW2x Tower System Modules

Evaluation and Development Boards

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Get Started

Get started with the Kinetis MKW2xD and MCR20A Connectivity Software

Kinetis MKW2xD and MCR20A Connectivity Software Package Version 1.0.0 includes the following components:

MKW2xD and MCR20A IEEE® 802.15.4-2006/2011 MAC/PHY implementation v5.0.4
MKW2xD and MCR20A Simple Media Access Controller (SMAC) v3.0.4
MKW2xD and MCR20A-enabled Connectivity Framework v5.0.4

Kinetis MKW2xD and MCR20A Connectivity Software
Type: Protocol Stacks