Hi, is setting the Vcco of Spartan3 banks to +3.3V would allow the FPGA to work with a 5V signaling environment like 5V PCI? Or there are some other means to do this?
Thanks.
Interfacing Spartan3 FPGA to 5V PCI
Jul 29, 2006
3 Replies
Hi, Look in Virtex-II user guide, "5V Tolerance in Virtex-II Devices", page
209. I think the same will apply to Spartan3 IOCheers Sudhir
yy wrote:
Hi, I tried to search for the document that you're referring but i cant find it, do you have the reference no. of the document? I have read some other document:
formatting link
which tells it is needed to have an external resistor for 5V signalling. BTW, what does that document says about 5V signalling?
Thanks.
Hi You can find the document at this link
formatting link
Page 209
You need to put an appropriate series resistor to limit the amount the current that flows through the clamp diodes.
H> snipped-for-privacy@email.com wrote:
Join the Discussion
Have something to add? Share your thoughts — no account required.
Didn't find your answer?
Ask the community — no account required