Forum Discussion

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

StratixIII EPCS problem VCCSEL?

Hello, I got problem that my EPCS cannot reconfig STRATIXIII. My VCCIO of I/O bank 3 is powered by 1.5V and the configuration signals used require 2.5-V signaling. Should I connec...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
16 years ago

You should try the default SFL design, to verify, that your not facing any kind of configuration problem in your design. You also should check, if all EPCS pins (nCS, DCLK, ASDI) are actually toggled when acessing the device by the programmer, also if DATA is activated at the EPCS device. If all these points check O.K., ask Altera support, what's their suggestion to connect DATA0 in a 1.5V bank.