22 July 2015Telecoms, Datacoms, Wireless, IoT
DSP, Micros & Memory
Freescale Semiconductor has unveiled a wireless, multi-protocol addition to its Kinetis microcontroller (MCU) family. With its support for Bluetooth Smart/Bluetooth Low Energy (BLE) and IEEE 802.15.4 applications, the new KW40Z range delivers the latest connectivity standards for the Internet of Things (IoT).
The MCU integrates a 2,4 GHz multi-protocol radio that provides the ability to access one BLE network and one 802.15.4 network from a single device. The low-power radio runs in receive mode at 6,5 mA with excellent co-existence characteristics, and provides years of operation on standard coin cell batteries. An integrated DC/DC converter configurable for buck or boost operation optimises power consumption, and the MCU also incorporates a high-precision digital-to-analog converter and a 16-bit analog-to-digital converter for highly accurate sensor measurement for wireless sensor networks.
Support for the KW40Z family includes a comprehensive software package that helps speed and simplify development for customers. It includes a royalty-free Freescale BLE host stack with 20 GATT profiles, and is fully compliant to the BLE 4.1 specification. In addition, the BLE stack is planned to support the upcoming Bluetooth Smart Mesh networking protocol.
The devices also include an 802.15.4 MAC layer as the foundation for ZigBee 3.0 and the highly anticipated Thread IP-based mesh networking protocol. All stacks support over-the-air firmware updates and are fully integrated into the Kinetis software development kit (SDK) with support for multiple real-time operating system (RTOS) options, including FreeRTOS and Freescale MQX.
With a capability to handle extended temperature ranges from -40°C up to 105°C, the new KW40Z family is an ideal choice for applications with increasingly rugged operating requirements.
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