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Altera_Forum
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9 years ago

Trouble interfacing FLASH pins to GPIO (retro game related)

Hey all, Just got an Altera DE1 dev board using the Cyclone II, and I'm working on a simple test that is literally just connecting the FLASH chip to the GPIO_0 bus. I'm not performing any logic...
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Altera_Forum
Icon for Honored Contributor rankHonored Contributor
9 years ago

I don't quite understand what you're trying to do here. You're doing read-only on the flash (FL_WE_N <= 1) and you're sending data from GPIO_0 to FL_DQ, which won't do anything because you're doing read-only.

Also, why is GPIO_0 bidirectional?

If you're trying to send something out of GPIO_0, GPIO_0 must be on the left hand side of an assignment somewhere.