Fujitsu FR81S User Manual
CHAPTER 3: CPU
10. Memory Protection Function (MPU)
FUJITSU SEMICONDUCTOR LIMITED
CHAPTER : CPU
FUJITSU SEMICONDUCTOR CONFIDENTIAL
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[bit3] MD
This bit indicates the mode of the access.
MD
Operation mode
0
Access in user mode
1
Access in privilege mode
[bit0] DAE (Data Access Error)
This bit indicates that a data access error occurred. In order to save the details of new data errors, clear this
bit.
The interrupt request is withdrawn by clearing this bit when the data access error interrupt is effectively
done. Only 0 writing is effective to this bit. 1 writing is invalid.
DAE
Data access error
0
Data Access Error not detected (Initial value)
1
Data Access Error detected
MB91520 Series
MN705-00010-1v0-E
136