The new low-level API will reduce the power consumption of ARM chips. Free Technical Library News

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New low-level API will reduce the power consumption of ARM chips

13.04.2015

The market for wearable smart devices is growing, but its growth is constrained by the lack of any visible progress in the field of power supplies, and, as a result, a relatively short operating time. Developers understand this and are doing their best to reduce the power consumption of such devices.

ARM has taken a new step in this direction. ARM Cortex-M processors will receive a Silicon Labs EFM32 Gecko power management microcontroller and the corresponding low-level API.

Both companies, ARM and Silicon Labs, plan to use a bunch of these chips in a new generation of devices that form what is called the "Internet of Things" (Internet of Things, IOT). Unfortunately, Silicon Labs has not yet published details on exactly what level of savings it plans to achieve, but mentioned that the new API will allow for automatic smart sleep mechanism and power distribution depending on the level of activity of specific system components.

Preliminary tests of the "optimum sleep" system showed an impressive increase in efficiency: the LCD module consumed 1,03 milliamps before it was turned on, and after activation, the current it consumed in sleep mode dropped to 0,1 milliamps, that is, an order of magnitude. A very impressive achievement.

New software and hardware with such capabilities will be in high demand in the world of smartphones and tablets, however, for now, both companies will concentrate their efforts on its implementation in the world of the Internet of Things.

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