M 7 Motion Coprocessor of iPhone 5S

There exists no distinguished difference between the appearance of iPhone 5 and iPhone 5S, but great changes have taken place inside of the device. iPhone 5S adopts A7 processor which greatly optimizes iPhone 5S performance and speeds up the device. At the same time, M7 Motion Coprocessor is employed to assist A7 processor. It is the tiny M7 Motion Coprocessor of iPhone 5S that users can enjoy the brand new user experience brought by the device. Since the debut of iPhone 5S, numerous manufacturers start to optimize their electronic products by using M7 Motion Coprocessor. Well then, how much do you know about M7 Motion Coprocessor? Here, we would like to make a brief introduction to the coprocessor.

Being a competent assistant of A7 processor, M7 Motion Coprocessor is specially designed to measure motion data from accelerometer, gyroscopic sensor and compass. Without M7 Motion Coprocessor, A7 processor will be responsible for motion data measuring. However, M7 Motion Coprocessor is more competent than A7 processor to some extent. Owing to M7 Motion Coprocessor of iPhone 5S, relative motion data from Fitness App can be measured by it rather than A7 processor, reducing power consumption.

In practical use, M7 Motion Coprocessor of iPhone 5S is able to sense any motion of device. For instance, iPhone 5S will automatically connect to neighboring accessible network when users are driving. Also, M7 Motion Coprocessor will stop network detection when the device is static for a long time, so as to reduce power consumption.

It is a long-term battle between battery performance and screen size in chip area, and it is still be a question to be solved. What can chip manufacturers do is strengthen the control of internal configuration, such as the introduction of multiple kinds of sensors, which will make the device more intelligent and sensitive. The M7 Motion Coprocessor of iPhone 5S is exactly a sensor data processing center. As mentioned above, M7 Motion Coprocessor is used to measure motion data from accelerometer, gyroscopic sensor and compass. And there is every chance that M7 Motion Coprocessor will be responsible for measuring motion data from proximity sensor, ambient light sensor, and magnetometer.

Besides the M7 Motion Coprocessor, an API interface named “CoreMotion” is available for third-party M7 Motion Coprocessor call. The illustrated demo on press conference is the application “Nike + Move” which calls M7 Motion Coprocessor and GPS to track users’ behavior.

Up till now, there are more than five applications employing M7 Motion Coprocessor, and most of those applications are about fitness. It is believed that the application of M7 Motion Coprocessor will get wider.

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