i want to use two DRV8844 (http://www.ti.com/lit/ds/symlink/drv8844.pdf) Motor Drivers. It has an Open-Drain output, that indicates an error, when it is LOW (nFault).
What happens, when i connect multiple open-drain outputs together with a pull-up resistor to one pin of a MCU? If one nFault output of one IC is LOW, what would the MCU read? Still HIGH, because of the pull-up, or LOW, because it is now connected to ground?
My goal is to detect, if one of all connect parts is in fault condition and save pins on the MCU
Thanks for your help.