CHAPTER 31:Memory Protection Unit for AXI
S6J3200 Series Hardware Manual Document Number: 002-04852 Rev. *G
1143
−
Current transaction on AXI master is manipulated to FIXED address burst
−
The transaction address is changed to predefined address. Check device specific datasheet for
details of predefined address
MPU Stop Feature
Optionally MPU AXI supports MPU stop feature.
When this mode is enabled all accesses to memory space are blocked and MPU AXI does the following
actions:
• Burst type signal is driven to FIXED type burst
• Burst address is driven to predefined FIXED address
Privileged Mode Overwrite Feature
Optionally MPU AXI supports privileged mode overwrite feature.
When this mode is enabled privileged mode attribute on the AXI memory interfaces are set by register bit
setting MPUXn_CTRL0:PROT.
Note:
−
Bus monitor and protection logic for detecting memory protection violation uses privilege mode
attribute on AXI master interfaces and not MPUXn_CTRL0:PROT bit setting even when
privileged mode overwrite feature is enabled.
Summary of Contents for S6J3200 Series
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