[Libre-soc-bugs] [Bug 746] I2C needs an Open Drain IO Pad

bugzilla-daemon at libre-soc.org bugzilla-daemon at libre-soc.org
Tue Nov 16 09:05:36 GMT 2021


--- Comment #8 from Staf Verhaegen <staf at fibraservi.eu> ---

> This should not be needed, your I2C master should already make sure oe=0
> when wanting 1 on output and oe=1 + o=0 when wanting 0 on output.

What I have seen is an I2C controller that puts always 0 on o and then control
the output by only enabling or disabling oe.

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