ATMEGA8-16AI SL383 Atmel, ATMEGA8-16AI SL383 Datasheet - Page 68
ATMEGA8-16AI SL383
Manufacturer Part Number
ATMEGA8-16AI SL383
Description
Semiconductors and Actives, Microprocessors, Microcontrollers
Manufacturer
Atmel
Datasheet
1.ATMEGA8-16AI_SL383.pdf
(310 pages)
- Current page: 68 of 310
- Download datasheet (5Mb)
General Interrupt Flag
Register – GIFR
68
ATmega8(L)
• Bit 7 – INTF1: External Interrupt Flag 1
When an event on the INT1 pin triggers an interrupt request, INTF1 becomes set (one). If the I-
bit in SREG and the INT1 bit in GICR are set (one), the MCU will jump to the corresponding
Interrupt Vector. The flag is cleared when the interrupt routine is executed. Alternatively, the flag
can be cleared by writing a logical one to it. This flag is always cleared when INT1 is configured
as a level interrupt.
• Bit 6 – INTF0: External Interrupt Flag 0
When an event on the INT0 pin triggers an interrupt request, INTF0 becomes set (one). If the I-
bit in SREG and the INT0 bit in GICR are set (one), the MCU will jump to the corresponding
Interrupt Vector. The flag is cleared when the interrupt routine is executed. Alternatively, the flag
can be cleared by writing a logical one to it. This flag is always cleared when INT0 is configured
as a level interrupt.
Bit
Read/Write
Initial Value
INTF1
R/W
7
0
INTF0
R/W
6
0
R
5
–
0
R
4
–
0
R
3
–
0
R
2
–
0
R
1
–
0
R
0
–
0
GIFR
2486W–AVR–02/10
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