PMR2—Port mode register 2
H'C9
I/O port
Bit
7
—
1
6
—
1
5
POF1
0
4
—
1
3
—
1
2
1
SI1
0
0
SCK1
0
SO1
0
Initial value
Read/Write
—
—
R/W
—
—
R/W
R/W
R/W
P20/SCK1 pin function switch
0
1
Functions as P20 I/O pin
Functions as SCK1 I/O pin
P21/SI1 pin function switch
0
1
Functions as P21 I/O pin
Functions as SI1 input pin
P22/SO1 pin function switch
0
1
Functions as P22 I/O pin
Functions as SO1 output pin
P22/SO1 pin PMOS control
0
1
CMOS output
NMOS open-drain output
452