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IOMUXD switching in run-time

Question asked by Arun Joseph on Jun 9, 2020
Latest reply on Jun 9, 2020 by gusarambula


Is there a problem switching the IOMUXD of a pin in runtime while the hardware peripheral is enabled?

Example M4 I2C is configured as the MUX mode and the I2C HW is in use.

At some point when there is no I2C communication going-on with slave device, can the SW change the IOMUXD to RGPIO (this is supported in that pin) and do some operations via port pin and then later come back to I2C mode by switching back in IOMUXD.

Should I disable the M4 I2C before switch the MUX mode?


Arun J