Nordic Semiconductor announces that ON Semiconductor has selected its nRF52832 Bluetooth low energy system-on-chip (SoC) for its Wearable Development Kit (WDK1.0). The kit provides a complete hardware and software solution to help OEMs accelerate design cycles and reduce production costs for a broad range of wireless wearables, at the same time incorporating a 10 W-rated wireless charging front-end controller that supports AirFuel compatible magnetic resonance charging of, for example, activity wristbands and smart watches.
In addition, the WDK1.0 includes a programmable power management IC, as well as a battery charger and a fuel gauge. The development kit integrates a range of sensors including a MEMS-based inertial measurement unit (IMU), a three-axis gyroscope and a three-axis accelerometer for multidimensional motion tracking, a temperature sensor, as well as a driver for haptic control applications. The solution also features a 1,44” format, 128 x 128 pixel TFT display into which a capacitive touch screen is integrated, as well as a 26-pin expansion port.
The development kit is complemented by an iOS- and Android-compatible app that provides a range of data including steps taken, calories burnt, distance covered and activity length, as well as the ability to adjust and control the screen brightness, alarm settings and clock face of a wearable or smart watch. An Eclipse-based integrated development environment (IDE) provides OEMs with all the resources they need to rapidly create and subsequently debug code necessary for designs.
A member of Nordic’s sixth generation of ultra low power (ULP) wireless connectivity solutions, the nRF52832 SoC combines a 64 MHz, 32-bit ARM Cortex M4F processor with a 2,4 GHz multiprotocol radio (fully compatible with Bluetooth 4.2, ANT and proprietary 2,4 GHz RF software) featuring -96 dB receiver sensitivity, with 512 KB Flash memory and 64 KB RAM. The chip adds Bluetooth low energy (previously known as Bluetooth Smart) wireless functionality to the WDK1.0.
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