Intel® Quartus® Prime Pro Edition User Guide: Debug Tools

ID 683819
Date 10/02/2023

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2.6.1. SLD JTAG Bridge Index

The SLD JTAG Bridge Index uniquely identifies instances of the SLD JTAG Bridge present in a design. You can find information regarding the Bridge Index in the synthesis report.

The Intel® Quartus® Prime software supports multiple instances of the SLD JTAG Bridge in designs. The Compiler assigns an index number to distinguish each instance. The bridge index for the root partition is always None.

When configuring the Signal Tap logic analyzer for the root partition, set the Bridge Index value to None in the JTAG Chain Configuration window.

Figure 4. JTAG Chain Configuration Bridge Index
Figure 5. Design with Multiple SLD JTAG Bridges

Bridge Index Information in the Compilation Report

Following design synthesis, the Compilation Report lists the index numbers for the SLD JTAG Bridge Agents in the design. Open the Synthesis > In-System Debugging > JTAG Bridge Instance Agent Information report for details about how the bridge indexes are enumerated. The reports shows the hierarchy path and the associated index.

In the synthesis report (<base revision>.syn.rpt), this information appears in the table JTAG Bridge Agent Instance Information.

Figure 6. JTAG Bridge Agent Instance Information