Atmel Evaluation Kit AT91SAM9X25-EK AT91SAM9X25-EK 데이터 시트
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제품 코드
AT91SAM9X25-EK
961
SAM9X25 [DATASHEET]
11054E–ATARM–10-Mar-2014
42.6.10 Write Protected Registers
To prevent any single software error that may corrupt ADC behavior, certain address spaces can be write-protected by
setting the WPEN bit in the
setting the WPEN bit in the
(ADC_WPMR).
If a write access to the protected registers is detected, then the WPVS flag in the ADC Write Protect Status Register
(ADC_WPSR) is set and the field WPVSRC indicates in which register the write access has been attempted.
(ADC_WPSR) is set and the field WPVSRC indicates in which register the write access has been attempted.
The WPVS flag is automatically reset by reading the ADC Write Protect Status Register (ADC_WPSR).
The protected registers are: