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

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

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.