Atmel Evaluation Kit AT91SAM9G25-EK AT91SAM9G25-EK 데이터 시트

929

SAM9G25 [DATASHEET]

11032C–ATARM–25-Jan-13

To prevent any single software error that may corrupt SSC behavior, certain address spaces can be write-protected by 
setting the WPEN bit in the 

 (SSC_WPMR).

If a write access to the protected registers is detected, then the WPVS flag in the SSC Write Protect Status Register 
(US_WPSR) is set and the field WPVSRC indicates in which register the write access has been attempted.

The WPVS flag is reset by writing the SSC Write Protect Mode Register (SSC_WPMR) with the appropriate access key, 
WPKEY.

The protected registers are:

z

z

z

z

z

z

z