Atmel Evaluation Kit AT91SAM9X25-EK AT91SAM9X25-EK Data Sheet

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SAM9X25 [DATASHEET]

11054E–ATARM–10-Mar-2014

To prevent any single software error that may corrupt AIC behavior, the registers listed below can be write-protected by 
setting the WPEN bit in the 

 (AIC_WPMR). 

If a write access in a write-protected register is detected, then the WPVS flag in the 

 

(AIC_WPSR) is set and the WPVSRC field indicates in which register the write access has been attempted. 

The WPVS flag is automatically reset after reading the AIC Write Protect Status Register.

The protected registers are:

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