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MCUs consume 160µA/MHz in active mode

Posted: 20 Jul 2011 ?? ?Print Version ?Bookmark and Share

Keywords:microcontroller? smart metering? ARM-Cortex-M3?

Energy Micro has launched its EFM32 Gecko and Tiny Gecko product lines that come in a QFP64 package. The 64-pin devices are designed for the growing smart metering market.

The devices also target energy sensitive applications such as building automation, security systems and portable health and fitness equipment.

The introduction of the larger I/O count package adds 12 product variants to the company's ARM Cortex-M3 based microcontroller portfolio. The EFM32G232, EFM32G842, EFM32TG232 and EFM32TG842, which are available in various configurations of Flash memory ranging from 8C128KB and RAM from 2C16KB, offer the same energy saving Gecko technology as other package options in the EFM32 MCU range. In application benchmark tests, this low current performance, combined with a wake-up time of 2?s has enabled the EFM32 microcontrollers to extend battery cell life by a factor of at least four.

EFM32

The Gecko and Tiny Gecko series of MCU are designed to reduce power consumption.

Designed to reduce current consumption, the EFM32 Gecko and Tiny Gecko microcontrollers operate in active mode typically 160?A per MHz executing code from Flash, 900nA in deep sleep mode and 20nA in shut off mode. The EFM32 Tiny Gecko family now also features the LESENSE low energy sensor interface, which enables autonomous monitoring of up to 16 external sensors in the microcontroller's sub microamp Deep Sleep mode.

EFM32 Gecko and Tiny Gecko microcontrollers in QFP64 are available now and pricing starts at $1.49 each in 100k quantities.





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