JTAG implementation in FPGA

[Veeru_8899]

Hi i  am using  79XXr FPGA module with DIO(65XX) adapter for implementing  the JTAG protocol.Can give me information about  Jtag implementation  in FPGA  and any  IPs  or API's  or example code are available please share with me.

[Hooovahh]

It's been quite a few years since I did this but I implemented the JTAG protocol using raw FPGA DIO.  Look up the specs on JTAG and it should be clear what the timing and DIO needs to be.  Your device should have some documentation as well.

Beyond that it looks like there are some white papers and APIs.

https://forums.ni.com/t5/Example-Code/JTAG-Digital-Waveform-Library/ta-p/4229932

https://forums.ni.com/t5/Examples-and-IP-for-Software/NI-JTAG-Host-Example-for-the-PXIe-5644-45R/ta-...