C8051T322-GQR Silicon Labs, C8051T322-GQR Datasheet - Page 106

• Manufacturer Part Number: C8051T322-GQR
• Description: 8-bit Microcontrollers - MCU USB-OTP-16K-LQFP32
• Manufacturer: Silicon Labs

Specifications of C8051T322-GQR

• Rohs: yes
• Core: 8051
• Processor Series: C8051
• Data Bus Width: 8 bit

C8051T620/621/320/321/322/323
SFR Definition 17.7. IT01CF: INT0/INT1 Configuration
SFR Address = 0xE4
106
Name
Reset
6:4
2:0
Bit
Type
7
3
Bit
IN1SL[2:0] INT1 Port Pin Selection Bits.
IN0SL[2:0] INT0 Port Pin Selection Bits.
IN1PL
IN0PL
Name
IN1PL
R/W
7
0
INT1 Polarity.
0: INT1 input is active low.
1: INT1 input is active high.
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
INT0 Polarity.
0: INT0 input is active low.
1: INT0 input is active high.
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
6
0
IN1SL[2:0]
R/W
5
0
Rev. 1.1
4
0
Function
IN0PL
R/W
3
0
O
2
0
IN0SL[2:0]
R/W
1
0
0
1