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

Order	Budgetary Price excluding tax(US$)	Core Type	Operating Frequency (Max) (MHz)	On-chip SRAM (KB)	Total Flash (KByte)	USB	Integrated wireless radio	Package type	Ambient Operating Temperature (Min-Max) (°C)	Transmit Current (mA)	Receive Current (mA)	RX Sensitivity	Radio Protocol Supported
KW0x	10K @ US$2.04	ARM Cortex-M0+	48	16	128		sub 1Ghz	LGA	-40 to 85
KW20Z	10K @ US$1.84	ARM Cortex-M0+	48	20	160		2.4Ghz	LGA	-40 to 105	6.2	6.2	-102	IEEE 802.15.4
KW21Z	10K @ US$2.32, 10K @ US$3.21	ARM Cortex-M0+	48	64, 128	256, 512				-40 to 105
KW2xD	10K @ US$2.92 - 10K @ US$3.66	ARM Cortex-M4	50	32, 64	256, 512	1 (FS)	2.4Ghz	LGA	-40 to 105
KW30Z	10K @ US$1.71	ARM Cortex-M0+	48	20	160		2.4Ghz	LGA	-40 to 105	6.2	6.2	-94	BLE v4.1
KW31Z	10K @ US$2.20, 10K @ US$3.06	ARM Cortex-M0+	48	64, 128	256, 512				-40 to 105
KW40Z	10K @ US$2.06	ARM Cortex-M0+	48	20	160		2.4Ghz	LGA	-40 to 85	6.2	6.2	-102 (802.15.4), -94 (BLE)	IEEE 802.15.4, BLE v4.1
KW41Z	10K @ US$2.56, 10K @ US$3.33	ARM Cortex-M0+	48	64, 128	256, 512				-40 to 105