If you set multiple bits in one of the control registers then they'll really change in parallel. So, it's possible to change the state of multiple pins at once but they've got to be in the same bank (A,B,C,D,etc)
If you set multiple bits in one of the control registers then they'll really change in parallel. So, it's possible to change the state of multiple pins at once but they've got to be in the same bank (A,B,C,D,etc)