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Altera_Forum
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14 years ago

Simple NiosII Design Synthesized away RAM node

Hi, I used to work with Nios II like six months ago with Quartus II v.11. I start to work again two days ago with it, but I can make a simple niosII + PIO to blink some leds. My problems start ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
14 years ago

Maybe the reset into the CPU is left disconnected. Quartus II typically drives a 0 into dangling inputs and Nios II uses the reset_n line (so if you don't hook up reset the CPU will get stuck in reset). Take a screenshot of your system and attach it to this post and I'll take a look.