Forum Discussion
Altera_Forum
Honored Contributor
11 years agoAgain, I don't know the TR4. But it sounds like you have issues with your JTAG connection. You could check the schematics for your board and see if you can see TCK running through the chain when you program or run some other pattern (get device id or similar), you can then check the TDI/TDO if they are toggeling. If they do you might want to check if they are correct. There might also be DIP switches which will include/exclude parts from the JTAG chain. This might be a reason why you don't see the MAX.