Forum Discussion
Altera_Forum
Honored Contributor
16 years ago --- Quote Start --- I suspect a hardware JTAG problem. Do you have an oscilloscope you can use to look at the JTAG signals? Jake --- Quote End --- thank you ,I think there is no problem in hardware JTAG,because the sof file can be downloaded into the cyclone III,and it work normally ,but you know the program is lost after restarting the power supply.