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Is it possible to erase BAF in MPC5748G device?

Question asked by Aleksandar Vinchev on Jun 28, 2016
Latest reply on Sep 3, 2018 by Hedi BASLY

Hi, at our side we faced very unusual problem with the MPC5748G devices. When we were working on bootloader for these devices, somehow BAF flash area in 2 of 2 devices involved in testing got vanished (Lauterbach reads 0xFF, device stuck in reset escalation mode after boot, even if valid application is flashed).

Now I have the following questions:

  • How is this possible? We are using SSD to work with MPC5748G flash area.
  • If the above is possible, is it possible to program again this area?

We would like to recover these devices, since replacement will be long and costly, because they are on the target boards, not on EVB.