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Altera_Forum's avatar
Altera_Forum
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7 years ago

Constraining LEDs/Switches to VHDL onDE1-SoC

Hello, I am trying to write some basic VHDL that "slide" an on led down the 10 leds on the DE1-SoC board. I have loaded the .sof onto the board but nothing is lighting up. I think the VHDL is good be...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
7 years ago

Forget about sdc for a while. It's surely not your problem. But you absolutely need a pin assignment for the clock input.

Pin assignments can be comfortably entered and checked in the Pin Planner tool. Another option is to start your design using an example shipped with your DE1 board, it already has useful pin assignments for all development board signals.