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Write to 5644 CRC Module register causes processor exception

Question asked by Ken Tabacchi on Sep 14, 2016
Latest reply on Sep 16, 2016 by Lukas Zadrapa

With 5644A, writing to CRC_CFG register causes a processor exception.

 

Using the definition of CRC in mpc5644a.h, at address 0xFFE68000

 

 

// For example...

CRC.CFG.B.POLY = 0;

 

Causes a processor exception.  What could be wrong?

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