C8051F961-A-GM Silicon Labs, C8051F961-A-GM Datasheet - Page 243
C8051F961-A-GM
Manufacturer Part Number
C8051F961-A-GM
Description
8-bit Microcontrollers - MCU 128KB, DC-DC, LCD AES, QFN40
Manufacturer
Silicon Labs
Datasheet
1.C8051F960-A-GQ.pdf
(492 pages)
Specifications of C8051F961-A-GM
Rohs
yes
Core
8051
Processor Series
C8051
Data Bus Width
8 bit
Maximum Clock Frequency
25 MHz
Program Memory Size
128 KB
Data Ram Size
8448 B
On-chip Adc
Yes
Operating Supply Voltage
2.5 V to 3.3 V
Operating Temperature Range
- 40 C to + 85 C
Package / Case
QFN-40
Mounting Style
SMD/SMT
Number Of Programmable I/os
34
Number Of Timers
4
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SFR Definition 17.7. IT01CF: INT0/INT1 Configuration
SFR Page = 0x0 and 0xF; SFR Address = 0xE4
Name
Reset
Bit
6:4
2:0
Type
7
3
Bit
IN1SL[2:0] INT1 Port Pin Selection Bits.
IN0SL[2:0] INT0 Port Pin Selection Bits.
Name
IN1PL
IN0PL
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 P1.6
111: Select P1.7
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 P1.6
111: Select P1.7
6
0
IN1SL[2:0]
R/W
5
0
Rev. 0.5
4
0
Function
IN0PL
R/W
3
0
2
0
C8051F96x
IN0SL[2:0]
R/W
1
0
0
1
243
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