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Altera_Forum's avatar
Altera_Forum
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17 years ago

how can i connect the VREFB pins of EP3C40F324

I want to connect a DDR SDRAM to bank3 and bank4 of EP3C40F324, the interface is SSTL_2, except data,address,command signals, and i need a 1.25V reference, but there is four VREFB pins in one bank of...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
17 years ago

Thanks for your reply.

I have just finished the schematic diagram of DDR recently. But now, I'm confused. Thanks for your remind, And I don't understand 'I would simply follow the Quartus pinout file in this point.' clearly. you mean I should run the command that Start I/O Assignment Analysis?

Can you give me a more detailed description?

Thank you!