AN-000358 – ICM-42607x ICM-42670x FSYNC User Guide


An application of TDK InvenSense motion sensors is image stabilization, which requires a synchronization pin to tag the image or video frame to the gyro data. This synchronization pin is known as FSYNC. The FSYNC pin has been implemented across numerous product lines and used by many customers. This document will go over the usage of FSYNC as it applies to Electronic Image Stabilization (EIS) for TDK InvenSense Motion Sensors in general, but also cover the benefits of EIS.

FSYNC is documented in detail in the component’s product spec, but this document addresses questions on how exactly FSYNC is used and why it is implemented that way. This document serves as a beginner’s guide and supplement to the FSYNC specs and aims to provide a base understanding.

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