In the Hardware Design Consideration of PSoC62 MCU you see that Pin0 is used for RTC operation and for JTAG purpose, especially for the TRST signal. I have illustrated this in a block diagram in the appendix.
Is the signal TRST really needed for JTAG operation ?
If yes, how should it be designed correctly with the RTC oscillator connected on this Pin ?
In the PCB design i would put a resistor on the TRST line and if TRST is not used, i would not equip it.
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