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Altera_Forum
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15 years ago

DE2-70 and I2C

Dear Sir, If I want to design an I2C port on the FPGA, like DE2-70, do I need an I2C bus extender? How to add it onto the DE2-70? I've one example design from the I2C bus extender, P82B96 ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

Dear Nicolas,

Thanks for your sharing. Let me explain more about my case.

The problem I met is when I'm using an I2C interface between

the DE2-70 and external board via a falt ribbon cable. In the case,

it may need an extender, because the signals, SDA and SCL are

not as stable as that I expected. Do you think so? Thank you!

Regards,

Peter Chang:confused: