In which case LVCMOS totem-pole output needs (internal or external) pull-up/down resistor?
Usually, totem-pole type I/O has (internal or external) pull-up/down resistor only when it's an input pin. But, I know for some time it has pull-up/down resistor even when it's an output pin.
Why is that?
Usually, totem-pole type I/O has (internal or external) pull-up/down resistor only when it's an input pin. But, I know for some time it has pull-up/down resistor even when it's an output pin.
Why is that?