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FCLKDIV in S12XET256

Question asked by MICHAEL HUSLIG on Aug 10, 2019
Latest reply on Aug 14, 2019 by lama

I haven't been able to get a commercial BDM working on my board, so I have been modifying a personal BDM I built years ago.  In general, I can read and write to the target.  However, I notice that after resetting the target, FCLKDIV reads as 0x90.  My BDM hasn't set it at that point.  Also I can change the value of FCLKDIV with the BDM, although the MSB remains set.  It is supposed to be write-once.  Any ideas?

Mike

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