Hi All, I have a question about ST digital isolator: in the datasheet of STISO621 i find two parameter: Refresh time and Watchdog timeout, can someone explain me the meaning of these parameter? thank you

[PBeld.1]

Here the datasheet, see on page 4/21 or 5/21

https://www.st.com/content/st_com/en/products/interfaces-and-transceivers/isolated-interfaces/stiso621.html

[Uwe Bonnes]

These values are not explained in the datasheet. They need some explanation!