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Is it OK to configure two pins to have the same alternate function?

Question asked by joeforker on Jan 3, 2014
Latest reply on Jan 5, 2014 by Clive One
I noticed it is possible to configure two STM32[F051] pins to have the same alternate function but I couldn't find any documentation about what happens when you do so. Is it OK to use the chip this way? For example, what happens if the UART TX output is mappped to two pins? Or if the RX input is mapped to two external pins?