Recent Sony Xperia’s turn Apple M7-like “to have coprocessor

Mar

24

2014

Recent Sony Xperia smartphones seem to have data from motion sensors can track without using much energy. A coprocessor board The coprocessor can do its job until well after the update to Android 4.4, claims the manufacturer.

Sony shows a video that tracking steps of pedometer cost 42mA with a smartphone without the coprocessor, whereas before up to 3.9 mA is needed with the coprocessor. That is because the CPU does not need to keep track of the input motion sensors and can go while the coprocessor tracking movements in sleep mode says Sony.

The function is probably not restricted to Xperia devices. Sony refers to an existing feature in the Android SDK, while the coprocessor itself designated by Sony as sensor core, an integral part of the Qualcomm Snapdragon 800 soc. However, manufacturers should probably be self-activate the coprocessor to functions, Sony does with the Android 4.4 update for its Xperia Z1 Compact , Xperia Z1 , Xperia Z Ultra and the other on the Snapdragon 800 rotating devices.

The idea of ​​a co-processor to keep input of motion sensors on is not new. The first concept was better known, was Motorola, which in July last year X8-soc presented. This custom-soc MSM8960Pro Qualcomm has built coprocessor to keep. Input from the accelerometer at The manufacturer uses that in order to detect whether or not the user picks up the phone, and then the screen is concerned. The best known application of the coprocessor is Apple M7 , which the iPhone 5s a log keeps track of the input sensors.

Power Xperia co-processor

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