C8051F380/1/2/3/4/5/6/7/C
SFR Definition 16.7. IT01CF: INT0/INT1 Configuration O
Bit
7
6
5
4
3
2
1
0
Name
Type
IN1PL
R/W
IN1SL[2:0]
R/W
IN0PL
R/W
IN0SL[2:0]
R/W
Reset
0
0
0
0
0
0
0
1
SFR Address = 0xE4; SFR Page = 0
Bit Name
Function
7
IN1PL
INT1 Polarity.
0: INT1 input is active low.
1: INT1 input is active high.
6:4
IN1SL[2:0] INT1 Port Pin Selection Bits.
These bits select which Port pin is assigned to INT1. Note that this pin assignment is
independent of the Crossbar; INT1 will monitor the assigned Port pin without disturb-
ing the peripheral that has been assigned the Port pin via the Crossbar. The Crossbar
will not assign the Port pin to a peripheral if it is configured to skip the selected pin.
000: Select P0.0
001: Select P0.1
010: Select P0.2
011: Select P0.3
100: Select P0.4
101: Select P0.5
110: Select P0.6
111: Select P0.7
3
IN0PL
INT0 Polarity.
0: INT0 input is active low.
1: INT0 input is active high.
2:0
128
IN0SL[2:0] INT0 Port Pin Selection Bits.
These bits select which Port pin is assigned to INT0. Note that this pin assignment is
independent of the Crossbar; INT0 will monitor the assigned Port pin without disturb-
ing the peripheral that has been assigned the Port pin via the Crossbar. The Crossbar
will not assign the Port pin to a peripheral if it is configured to skip the selected pin.
000: Select P0.0
001: Select P0.1
010: Select P0.2
011: Select P0.3
100: Select P0.4
101: Select P0.5
110: Select P0.6
111: Select P0.7
Rev. 1.4
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