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Failsafe (FS0B) release not working

Question asked by Sagar Dhavali on Sep 26, 2017
Latest reply on Apr 17, 2019 by Sagar Dhavali



I am using FS4500 SBC and it is interfaced with MPC5742P.  I use the drivers from NXP for SBC code.

After POR or wakeup event, I correctly release FS0B using the API provided after 7 watchdog cycles. And I also see that Fault Error is also 0. I see that the API is called without any errors. But I don't see the signal on pin FS0B is still low. I probed and checked.


Any idea what could be happening?


Thank You,