Hello
1) What is the use of pull-ups? What exactly does the RBPU of the =
OPTION_REG and how pull-ups work? What is the diference of weak =
pull-ups.
2) I don't understand exactly how two banks work. I know that i can use =
bank 0
for storing and using SFR. In bank 1 i can only access the EECON2, =
EECON1, TRISB, TRISA and OPTION_REG? What about all the other addresses. =
Are they just a copy from bank 0? What happen if i change  8Ah?
3) When using indirect addressing do i have to specify the bank?

I read some documents but maybe my english did't let me understand some =
things.
Thanks.

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