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(e) Pull-up resistor option register 2 (PU2)
This is an 8-bit register that specifies connection of an internal pull-up resistor.
This register can be read or written in 8-bit or 1-bit units.
After reset:
00H
PU2
0
PU2n
0
1
CHAPTER 4 PORT FUNCTIONS
R/W
Address:
FFFFFC44H
0
0
0
Controls connection of internal pull-up resistor (n = 0 to 2)
Not connected
Connected
Preliminary User's Manual U15905EJ1V0UD
0
PU22
PU21
PU20
107
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