Atmel Xplained Pro Evaluation Kit ATSAM4E-XPRO ATSAM4E-XPRO データシート
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製品コード
ATSAM4E-XPRO
SAM4E [DATASHEET]
Atmel-11157D-ATARM-SAM4E16-SAM4E8-Datasheet_12-Jun-14
1120
41.13 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
be write-protected by setting the WPEN bit in the
(HSMCI_WPMR).
If a write access to a write-protected register is detected, the WPVS bit in the
(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: