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Altera_Forum
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9 years ago

HPS GPIO's ouputs stuck in high impedence?

I have an issue regarding a custom board the GPIOs where all the HPS IO’s are set to high impedance no matter to how they are set. I have tested the following: GPIO system on linux enablin...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
9 years ago

My requirement is I need to access both the expansion headers pin GPIO_1 and GPIO_0.Kindly let me know what changes needed to be done at the top .V file or in qsys to get the accessibility of the GPIO and setting and clearing the pins.there is some catch in accessing the bank 4 pins from bank 7 ...do we need any hardware changes???

--Ravi