Forum Discussion

Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
11 years ago

my ep3s200f1152 has been damaged?

Hi,on my subboard there is a fpga(ep3s200f1152),now i cannot access jtag chain,as download is also not work,yesterday i had used it and it can work .My subboard is connected to bottom board which pro...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
11 years ago

170 ohms to GND from the TCK is far too low. So, I suspect you have damage to the FPGA.

50mA doesn't necessarily sound that bad but if it's much more than a known good unit, it doesn't look good for your 'wrong' FPGA.

Yes - you can hot-plug suitable JTAG cables. That won't cause a problem.

Regards,

Alex