Quartus® Prime Pro Edition User Guide: Platform Designer
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5.1.12. Platform Designer Address Decoding
Address decoding logic simplifies component design in the following ways:
- The interconnect selects an agent whenever it is being addressed by a host. Agent components do not need to decode the address to determine when they are selected.
- Agent addresses are properly aligned to the agent interface.
- Changing the system memory map does not involve manually editing HDL.
Platform Designer controls the base addresses with the Base setting of active components on the System View tab. The base address of an agent component must be a multiple of the address span of the component. This restriction is part of the Platform Designer interconnect to allow the address decoding logic to be efficient, and to achieve the best possible fMAX.