stm32H743zi pin configuration

[Rahu2710]

My hardware has the I2C pins (SDA and SCL) connected incorrectly, and I cannot change them because the hardware is already built. Is there any way I can fix this issue from the firmware side? Can I change the pins through software? hear attach my schematic photo . atck pin are incorrect and i can  not change it. please help me .

[AScha.3 · Accepted solution]

>Can I change the pins through software?

no.

You can :

a - take a cutter and wires , cross connect the 2 lines (if this is just one board for proto)

b - make a new board, with correct connection (if thousands of them should be produced)

c - write a software-I2C and use the pins, as they are .