AFAIK , Nope,
If they are GPIO and only second function is Jtag, your ok, Using typical
“PinMode” input/output and resistor options.
Check the pin multiplexing section of data-sheet for more incite. 
HTH
GL 
PJ
AFAIK , Nope,
If they are GPIO and only second function is Jtag, your ok, Using typical
“PinMode” input/output and resistor options.
Check the pin multiplexing section of data-sheet for more incite.
HTH
GL PJ