Hi, I have a chip that has a reset input that is currently connected with a simple RC circuit, according to reference design. It is an active high reset signal, i.e. when power is applied, the chip resets. However, I wish to control the actual reset of the chip with an external signal via a MCU's reset pin. I have tried to connect a MCU's GPIO pin to the chips reset, and it works, but I'm wondering if it's a good idea to do that with the existing RC circuit in place? Since my MCU will be holding the reset signal low until it decides to reset the chip, wouldn't I be better off with a pulldown instead of a pullup for the RC circuit(pulldown because on system startup the MCU's IO pin is high, and only a split second later does my firmware run and set it to low, so for a split second the chip reset could be high instead of low, triggering a reset when I don't want it to happen)?
I'm sorry if this is a stupid question. I don't have any experience with reset circuits. Thanks!