Memory control method for semiconductor memory connected to processing unit via device for bit error recognition and correction, by allowing write access to write-protected memory region by bit error correcting device

摘要

A predetermined region of the semiconductor memory, defined by a start address and an end address, is protected against unintentional write access by suppressing write accesses to the protected region initiated by the processing unit. Write accesses to the write-protected memory region initiated by the device for recognizing and correcting bit errors are allowed.