Other Parts Discussed in Thread: TPS3421, TPS3422
Dear Experts, please refer to below schematic. I have some design questions about TPS3420. Please give me some suggestions. Best regards.
(1) If I just use single channel (PB1) to assert a reset low, the other input pin (PB2) should be connected to GND(ground)? Is it OK that PB2 is left unconnected(NC)?
(2) If I just use single channel (PB1) to assert a reset low, external pullup resistance on PB1 is necessary? Can I just connect a push botton to GND without pullup resistance?
(3) Is it OK that TS pin is left unconnected(NC)?