Renesas RX Series

R01UH0823EJ0100 Rev.1.00 Page 319 of 1823
Jul 31, 2019
RX23W Group 17. Memory-Protection Unit (MPU)
Figure 17.1 Block Diagram of the Memory-Protection Unit
A31
CPU instruction address
Region 0
to
Region 7
31 4 31 4
Processor mode
02
CPU operand access address
310
 
Region hit
Checking of access-
control information
A31
 
Region hit
Checking of access-
control information
Access control
Start page number
Background access-control register
End page number Access control V
Region 0
Region 7
Access
determination
Access
determination
Instruction memory-protection error
Data memory protection error
Start page number register
End page number register
A4 A0
A4 A0