METHOD FOR A SLAVE DEVICE FOR CALIBRATING ITS OUTPUT TIMING, METHOD FOR A MASTER DEVICE FOR ENABLING A SLAVE DEVICE TO CALIBRATE ITS OUTPUT TIMING, MASTER DEVICE AND SLAVE DEVICE

A method for a slave device for calibrating an output timing for transmitting data to a master device is provided. The master device and the slave device are communicatively coupled via an interface. The method includes receiving, from the master device, one or more consecutive first signal edges in...

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Bibliographic Details
Main Author FURTNER, Wolfgang
Format Patent
LanguageEnglish
French
German
Published 09.12.2020
Subjects
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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Summary:A method for a slave device for calibrating an output timing for transmitting data to a master device is provided. The master device and the slave device are communicatively coupled via an interface. The method includes receiving, from the master device, one or more consecutive first signal edges indicating a synchronization event. Further, the method includes recovering a reference clock of the master device based on the one or more consecutive first signal edges. The method includes transmitting one or more predetermined second signal edges to the master device. The one or more predetermined second signal edges are generated by the slave device using the recovered reference clock. Additionally, the method includes receiving, from the master device, data indicating one or more sampled values of the master device for the one or more predetermined second signal edges. The method includes adjusting the output timing based on a comparison of the one or more predetermined second signal edges and the one or more sampled values of the master device for the one or more predetermined second signal edges.
Bibliography:Application Number: EP20190178649