Atmel ARM-Based Evaluation Kit AT91SAM9N12-EK AT91SAM9N12-EK Scheda Tecnica
Codici prodotto
AT91SAM9N12-EK
588
SAM9N12/SAM9CN11/SAM9CN12 [DATASHEET]
11063K–ATARM–05-Nov-13
35.13 Register Write Protection
To prevent any single software error from corrupting HSMCI behavior, certain registers in the address space can be
write-protected by setting the WPEN bit in the
write-protected by setting the WPEN bit in the
(HSMCI_WPMR).
(HSMCI_WPSR) is set and the field WPVSRC indicates the register in which the write access has been attempted.
The WPVS bit is automatically cleared after reading the HSMCI_WPSR.
The following registers can be protected: