NXP MKW21D256VHA5 ARM Cortex M4 Microcontroller, Kinetis W, 50MHz, 256 kB Flash, 56-Pin LGA

RS Stock No.:: 168-4059
Mfr. Part No.:: MKW21D256VHA5
Brand:: NXP

NXP MKW21D256VHA5 ARM Cortex M4 Microcontroller, Kinetis W, 50MHz, 256 kB Flash, 56-Pin LGA

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Bulk discount available

Price (ex. GST) Each (In a Tray of 260)**

$16.635

(exc. GST)

$19.13

(inc. GST)

On back order for despatch 22/04/2025, delivery within 7 working days from despatch date.*

* Delivery dates may change based on your chosen quantity and delivery address.

FREE delivery for orders over $80 ex GST

Units	Per unit	Per Tray**
260 - 1040	$16.635	$4,325.10
1300 +	$14.972	$3,892.72

**price indicative

RS Stock No.:: 168-4059
Mfr. Part No.:: MKW21D256VHA5
Brand:: NXP

Kinetis KW Series Wireless Microcontrollers

The Kinetis KW2xD Series of BLE/IEEE 802.15.4 compliant wireless microcontrollers are cost-effective, low power SoCs incorporating a 2.4GHz radio transceiver and an ARM Cortex-M4 core processor. The KW01Z Series feature a Sub-1GHz transceiver and a Cortex-M0+ core processor. Applications for the KW Series microcontrollers include Smart Meters, networked building control, home automation, healthcare/medical monitoring, industrial monitoring/control and local communication for the Internet of Things (IoT).

KW2xD Series
2.4GHz BLE/IEEE 802.15.4 compliant RF transceiver
Suitable for ISM and MBAN band operation
50MHz ARM Cortex-M4 core processor
RF Power Output: Up to +8dBm
Receiver Sensitivity: -102dBm @ 250kbps
Modulation OQPSK
OTA data rate: 250kbps over 1 of 16 selectable channels
Supports Clear Channel Assessment (CCA), Energy Detection (ED) and Link Quality Indicator (LQI)
Embedded profiles: Smart Energy 1.x, Home Automation, Healthcare, RF4CE
Network stack based on ZigBee Pro
Serial Communication: USB OTG (MKW22 only) SPI, I²C, UART
Power supply: +1.8V to +3.6Vdc

KW01Z Series
Sub-1GHz ISM-Band RF transceiver
48MHz ARM Cortex-M0+ core processor with 128KB Flash memory, 16KB RAM
RF Power Output: Up to +17dBm
Receiver Sensitivity: -120dBm @ 1.2kbps
Modulation: FSK, GFSK, MSK, GMSK and OOK
OTA data rate: Up to 600kbps
Packet engine with CRC, AES-128 encryption and 66-byte FIFO
Serial Communication: SPI, I²C, UART
Power supply: +1.8V to +3.6Vdc

RS Product Codes
826-3502 MKW21D256VHA5 256KB Flash memory
826-3505 MKW21D512VHA5 512KB Flash memory
826-3509 MKW22D512VHA5 512KB Flash memory, USB OTG
826-3518 MKW01Z128CHN 128KB Flash memory

For products that are Customized and under Non-cancellable & Non-returnable, Sales & Conditions apply.

The Kinetis range of ARM Cortex core microcontrollers consists of multiple hardware- and software-compatible Cortex-M0+ and Cortex-M4 MCU families with exceptional low-power performance, memory scalability and feature integration. Families range from the entry-level Cortex-M0+ Kinetis L Series to the high-performance, feature-rich Cortex-M4 Kinetis K and include a wide selection of analogue, communication, HMI, connectivity and security features.

Attribute	Value
Family Name	Kinetis W
Package Type	LGA
Mounting Type	Surface Mount
Pin Count	56
Device Core	ARM Cortex M4
Program Memory Size	256 kB
Maximum Frequency	50MHz
RAM Size	32 kB
USB Channels	1
Number of SPI Channels	1
Number of CAN Channels	0
Number of UART Channels	3
Number of I2C Channels	2
Typical Operating Supply Voltage	1.8 → 3.6 V
Number of USART Channels	0
Width	8mm
Maximum Number of Ethernet Channels	0
Minimum Operating Temperature	-40 °C
Height	0.98mm
Number of LIN Channels	0
ADCs	16 bit
Dimensions	8 x 8 x 0.98mm
Instruction Set Architecture	ARM
Number of ADC Units	1
Program Memory Type	Flash
Maximum Operating Temperature	+105 °C
Number of PCI Channels	0
Length	8mm
Number of Ethernet Channels	0