Virtual JTAG Intel® FPGA IP Core User Guide

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ID 683705
Date 8/12/2021
Public
Document Table of Contents
Document Table of Contents x
Virtual JTAG Intel® FPGA IP Core User Guide
Virtual JTAG Intel® FPGA IP Core User Guide x
Introduction System-Level Debugging Infrastructure Virtual JTAG Interface Description Run-Time Communication Instantiating the Virtual JTAG Intel® FPGA IP Core Simulation Support Compiling the Design SLD_NODE Discovery and Enumeration Capturing the Virtual IR Instruction Register AHDL Function Prototype VHDL Component Declaration VHDL LIBRARY-USE Declaration Design Example: TAP Controller State Machine Design Example: Modifying the DCFIFO Contents at Runtime Design Example: Offloading Hardwired Revision Information Document Revision History for the Virtual JTAG Intel® FPGA IP Core User Guide
Introduction x
Installing and Licensing Intel® FPGA IP Cores On-Chip Debugging Tool Suite Applications of the Virtual JTAG Intel® FPGA IP Core JTAG Protocol JTAG Circuitry Architecture
System-Level Debugging Infrastructure x
Transaction Model of the SLD Infrastructure SLD Hub Finite State Machine
Virtual JTAG Interface Description x
Input Ports Output Ports Parameters Design Flow of the Virtual JTAG Intel® FPGA IP Core Simulation Model Run-Time Communication Running a DR Shift Operation Through a Virtual JTAG Chain
Run-Time Communication x
Virtual IR/DR Shift Transaction without Returning Captured IR/DR Values Virtual IR/DR Shift Transaction that Captures Current VIR/VDR Values Reset Considerations when Using a Custom JTAG Controller
Instantiating the Virtual JTAG Intel® FPGA IP Core x
IP Catalog and Parameter Editor Specifying IP Core Parameters and Options Instantiating Directly in HDL
IP Catalog and Parameter Editor x
The Parameter Editor
Specifying IP Core Parameters and Options x
Files Generated for Intel® FPGA IP Cores (Legacy Parameter Editor)
Compiling the Design x
Third-Party Synthesis Support
SLD_NODE Discovery and Enumeration x
Issuing the HUB_INFO Instruction HUB IP Configuration Register SLD_NODE Info Register
Design Example: Modifying the DCFIFO Contents at Runtime x
Write Logic Read Logic Runtime Communication
Design Example: Offloading Hardwired Revision Information x
Configuring the JTAG User Code Setting
Virtual JTAG Intel® FPGA IP Core User Guide

Third-Party Synthesis Support

In addition to the variation file, the parameter editor creates a black box file for the Virtual JTAG Intel® FPGA IP core you created.

For example, if you create a my_vji.v file, a my_vji_bb.v file is also created. In third‑party synthesis, you include this black box file with your design files to synthesize your project. A VQM file is usually produced by third‑party synthesis tools. This VQM netlist and the Virtual JTAG Intel® FPGA IP core’s variation files are input to the Intel® Quartus® Prime software for further compilation.

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