SiLabs launches ultra low power ARM Cortex-M0+ mcus
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Based on the ARM Cortex-M0+ processor, Silicon Labs' new EFM32 Zero Gecko family of 32bit mcus is optimised to achieve the lowest system energy consumption for connected devices enabling the Internet of Things (IoT).
Five energy modes enable applications to remain in an energy optimal state, spending as little time as possible in the active mode.
In deep sleep mode, the mcus have a 0.9µA standby current consumption with a 32.768kHz rtc, ram/cpu state retention, brown out detector and power on reset circuitry active.
Active mode power consumption scales down to 110µA/MHz at 24MHz with real world code executed from flash. Current consumption is less than 20nA in shut off mode.
Geir Førre, senior vp and general manager of SiLabs' microcontroller products, said: "The IoT market requires battery friendly Cortex-M0+ based mcus that save both energy and system cost. Our new EFM32 Zero Gecko mcus enable developers to create embedded systems that are four times more energy efficient than possible with other Cortex-M0/0+ mcus."
As well as a programmable current d/a converter, the mcus feature a Peripheral Reflex System for improved efficiency, in addition to an analogue comparator, supply voltage comparator, on chip temperature sensor and 12bit a/d converter with 350µA current consumption at a 1MHz sample rate.
