Kinetis® W Series: Wireless Connectivity Microcontrollers (MCUs) based on Arm® Cortex®-M0+/M4 Core

The Kinetis® W series integrates class-leading sub-1 GHz and 2.4 GHz RF transceivers with Arm® Cortex® cores, providing robust feature sets for reliable, secure and low-power embedded wireless solutions.

Memory Supported Protocols Radio Performance
Products CPU Flash /
SRAM
Supported
Frequency
Band
BLE
Generic FSK
Thread
802.15.4 MAC
On-chip Balun
Sensitivity Transmit
Power
Receive
Current
Transmit
Current
KW35A/36A
Bluetooth® Low Energy and Generic FSK
Cortex-M0+ KW35: 512kB/64KB; KW36: 512kB/64KB+8KB EEPROM 2.4 GHz -95 dBm BLE -25 to +3.5 dBm 6.8 mA current target (DC-DC enabled) 6.1mA (0dBm) current target (DC-DC enabled)
KW35Z/36Z
Bluetooth Low Energy and Generic FSK
Cortex-M0+ KW35: 512kB/64KB; KW36: 512kB/64KB+8KB EEPROM 2.4 GHz -95 dBm BLE -25 to +3.5 dBm 6.8 mA current target (DC-DC enabled) 6.1mA (0dBm) current target (DC-DC enabled)
KW41Z
Bluetooth Low Energy and IEEE® 802.15.4
Cortex-M0+ 512/128 KB 256/64 KB 2.4 GHz -95 dBm (BLE) -100 dBm (802.15.4) Up to +3.5 dBm 6.8 mA 6.1 mA
KW40Z
Bluetooth Low Energy and IEEE 802.15.4
Cortex-M0+ 160 KB 20 KB 2.4 GHz -91 dBm (BLE) -102 dBm (802.15.4) Up to +5 dBm 6.5 mA 8.4 mA
KW31Z
Bluetooth Low Energy
Cortex-M0+ 512/128 KB 256/64 KB 2.4 GHz -95 dBm Up to +3.5 dBm 6.8 mA 6.1 mA
KW30Z
Bluetooth Low Energy
Cortex-M0+ 160 KB 20 KB 2.4 GHz -91 dBm Up to +5 dBm 6.5 mA 8.4 mA
KW21Z
IEEE 802.15.4
Cortex-M0+ 512/128 KB 256/64 KB 2.4 GHz -100 dBm Up to +3.5 dBm 6.8 mA 6.1 mA
KW20Z
IEEE 802.15.4
Cortex-M0+ 160 KB 20 KB 2.4 GHz -102 dBm Up to +5 dBm 6.5 mA 8.4 mA
KW2xD
IEEE 802.15.4
Cortex-M4 512/64 KB 256/32 KB 2.4 GHz -102 dBm Up to +8 dBm 19.5 mA 18 mA
KW01Z
Sub-1 GHz
Cortex-M0+ 128 KB
16 KB
315 MHz, 433 MHz, 470 MHz, 868 MHz, 915 MHz, 928 MHz, and 955 MHz -120 dBm Up to +17 dBm 16 mA 16 mA

Kinetis KW41Z/31Z/21Z

Design with multi-mode(BLE/GenericFSK/802.15.4) radio solutions.

Kinetis KW40Z/30Z/20Z

Design with multi-mode (BLE/802.15.4) radio solutions.