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ST7538 watchdog

pmd
Associate II

‎2006-02-15 1:49 AM

Posted on February 15, 2006 at 10:49

ST7538 watchdog

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pmd
Associate II

‎2006-02-15 1:49 AM

Posted on February 15, 2006 at 10:49

Hi.

I have a problem with the watchdog on my ST7538.

The datasheet says the minimum Watchdog time (Twd) is 3.5ms (it was 500ns on ST7537).

I have made a 6ms watchdog signal, but the RSTO keeps going low.

What's wrong?

Regards.

Peter

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