Epson upgrades GPS battery life with Cadence Tensilica Xtensa processor

Cadence today announced that Epson has switched from its previous GPS subsystem to one using the cadence Tensilica Xtensa processor.

The new processor will extend the battery life of its wrist watch GPS running monitors from 14 hours to up to 30 hours when the GPS function is activated.


epson gpsThe Xtensa processor can be customized to handle both performance-intensive digital signal processing (DSP) and embedded control processing functions.

The patented automated Xtensa Processor Generator allows designers to create more differentiated features with the lowest power by integrating control and signal processing in a single core.

“By adapting the Cadence Tensilica Xtensa processor to our needs, we were able to combine the control and GPS signal processing functions into one efficient core, saving power and area for this very space-constrained design.” said Kenichi Ushiyama, General Manager, Epson.

The Epson GPS tracks three types of exercise: running (default), walking, and cycling using built-in GPS.

The device provides users with features and controls, like the tap functionality that allows user to scroll through four customisable screens – providing real time data- turn on the light or set laps.

Users can customize the four displays  with up to three measurements per screen. They can also select and save settings through the Run Connect app and quickly customizing their device for specific workouts.


Vishal Kawadkar


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