arbitration of interconnect

When multiple masters contend for access to a slave, Platform Designer automatically inserts arbitration logic, which grants access in fairness-based, round-robin order. You can alternatively choose to designate a slave as a fixed priority arbitration slave, and then manually assign priorities in the Platform Designer GUI.

Reference: https://www.intel.com/content/dam/www/programmable/us/en/pdfs/literature/ug/ug-qps-platform-designer.pdf#page=136

You can also check Figure 86 on 'Arbitration Shares in the Connection Column'.