Fujitsu FR81S User Manual
CHAPTER 3: CPU
10. Memory Protection Function (MPU)
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CHAPTER : CPU
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10.4.7.
Notes
This section explains notes of the Memory Protection Function (MPU).
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Access protection violation exception will occur when an instruction of access protection violation is
executed. For details, see "FR Family FR81 32-bit Microcontroller Programming Manual". For details of
the instruction access protection violation and the instruction access protection violation exception, also
see "10.4.2. Instruction Access Protection Violation".
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If the boundary of delay slot is different from that of instruction access protection area, the instruction
access protection violation occurs regardless of whether the branch is established or not. PC with
occurrence of exception is PC of delayed branch instruction.
BEQ:D L_MYPROC2
NOP
NOP
Protection specified
(instruction fetch)
MB91520 Series
MN705-00010-1v0-E
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