Quartus® Prime Pro Edition User Guide: Platform Designer
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4.1. Designing with Avalon® and AXI Interfaces
The Avalon® and AXI interconnects for memory-mapped interfaces are flexible, partial crossbar logic. For AXI, the interconnect connects the AXI manager to the AXI subordinate interfaces. Similarly, the interconnect connects the Avalon® host to the agent interfaces.6
Avalon® Streaming links connect point-to-point, unidirectional interfaces and are typically used in data stream applications. Each pair of components is connected without any requirement to arbitrate between the data source and sink.
Because Platform Designer supports multiplexed memory-mapped and streaming connections, you can implement systems that use multiplexed logic for control and streaming for data in a single design.