Hello Nikosant03,
FIFO (First Input First Output), that is, the first-in first-out queue. It is used in the sensor to cache data to prevent data loss; and can store the data in a centralized manner, which can avoid frequent communication between the main controller and the Sensor, reduce the burden on the CPU, and reduce system power consumption. A FIFO is integrated in BMX160 also to support low power application and prevent data loss in non-real0time system.
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