Communications

Cadence's processor selected for use in IoT WiFi chips

29th January 2015
Siobhan O'Gorman
0

Espressif Systems has selected the Cadence Tensilica Xtensa processor for use in its ESP8089 and ESP8266 WiFi chips, which are optimised for IoT applications. To achieve the best power, performance and area results, Espressif have customised the processor. The processor will be used as a DSP and control processor with a RTOS that runs Espressif’s WiFi and TCP/IP stacks and other application software. 

“With a rapid customisation of the 32-bit low power Xtensa processor, we were able to combine the control and DSP functions into one very efficient core, conserving power and area for these very space-constrained designs,” said Teo Swee Ann, CEO, Espressif Systems. “We also utilised low voltage technology, dynamic frequency and voltage scaling, and an advanced power-control algorithm to achieve standby power consumption of less than 1.0mW and 30uA RTC deep-sleep current consumption.”

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