8.4.4.1.3 Region Setup
The table below describes the programmable parameters for Region 0 and Regions 1 to 8, respectively.
Parameter | Description | Value for Region 0 | Value for Region 1 to Region 8 |
---|---|---|---|
Region enables | Enables and disables access checking for each filter unit and each region | Always enabled for all filter units | Programmable |
Secure access permissions | Defines the Secure read and write permissions for the region | Programmable | Programmable |
Base address | Defines the start address of the region and is aligned to a 4 KB boundary | All bits are set to 0 | Programmable |
Top address | Defines the top address of the region and is aligned to the top byte address of a 4 KB region | All bits are set to 1 | Programmable |