Energy Micro introduces ARM Cortex-M4 products

by K C Krishnadas, TechOnline India - February 23, 2012

The new controllers have differentiated Gecko technology to minimize energy consumption, including a flexible range of standby and sleep modes

Energy Micro, a microcontroller and radio company, has extended its EFM32 Gecko range of microcontrollers with the addition of products based on the ARM Cortex-M4F core. The addition of 60 new EFM32 Wonder Gecko devices brings the total number of variants within the Gecko range to over 240 – the industry’s most comprehensive range of pin- and code-compatible devices for low-energy embedded applications.

The new controllers have differentiated Gecko technology to minimize energy consumption, including a flexible range of standby and sleep modes, intelligent peripherals that allow designers to implement many functions without CPU wake-up, and ultra-low standby current.

“By adding M4F to our portfolio, we create a complete pin- and code-compatible roadmap of processors, from the lower cost value line Zero Gecko through to Wonder Gecko variants incorporating sophisticated signal processing functionality,“ said Geir Førre, CEO of Energy Micro.

With up to 256K Flash memory and 32K RAM, the new M4F family can achieve active mode current consumption of just 180µA/MHz. Devices provide a deep sleep mode that consumes just 400nA with RTC running, a shut-off mode requiring only 20nA and wake-up time as short as 2µs.

The LESENSE function block, a generic low energy sensor interface, enables monitoring of a mix of up to 16 capacitive, inductive or resistive sensors independently of the processor core. This allows designers to maintain basic functionality while keeping the processor in sleep or shut-off mode for as long as possible.

The Wonder Gecko processors will be available in sample quantities in Q3 2012, with pricing starting at $2.64 at 100K devices.

To see the Wonder Gecko introduction video click here.

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