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ATtiny48 Datasheet(PDF) 47 Page - ATMEL Corporation |
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ATtiny48 Datasheet(HTML) 47 Page - ATMEL Corporation |
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47 / 266 page  47 8008C–AVR–03/09 ATtiny48/88 9. Interrupts This section describes the specifics of interrupt handling in ATtiny48/88. For a general explana- tion of the AVR interrupt handling, refer to “Reset and Interrupt Handling” on page 13. 9.1 Interrupt Vectors The most typical and general program setup for the Reset and Interrupt Vector Addresses in ATtiny48/88 is: Address Labels Code Comments 0x000 rjmp RESET ; Reset Handler 0x001 rjmp INT0 ; IRQ0 Handler 0x002 rjmp INT1 ; IRQ1 Handler 0x003 rjmp PCINT0 ; PCINT0 Handler 0x004 rjmp PCINT1 ; PCINT1 Handler 0x005 rjmp PCINT2 ; PCINT2 Handler 0x006 rjmp PCINT3 ; PCINT3 Handler 0x007 rjmp WDT ; Watchdog Timer Handler Table 9-1. Reset and Interrupt Vectors in ATtiny48/88 Vector No. Program Address Source Interrupt Definition 1 0x000 RESET External/Power-on/Brown-out/Watchdog Reset 2 0x001 INT0 External Interrupt Request 0 3 0x002 INT1 External Interrupt Request 1 4 0x003 PCINT0 Pin Change Interrupt Request 0 5 0x004 PCINT1 Pin Change Interrupt Request 1 6 0x005 PCINT2 Pin Change Interrupt Request 2 7 0x006 PCINT3 Pin Change Interrupt Request 3 8 0x007 WDT Watchdog Time-out Interrupt 9 0x008 TIMER1_CAPT Timer/Counter1 Capture Event 10 0x009 TIMER1_COMPA Timer/Counter1 Compare Match A 11 0x00A TIMER1_COMPB Timer/Counter1 Compare Match B 12 0x00B TIMER1_OVF Timer/Counter1 Overflow 13 0x00C TIMER0_COMPA Timer/Counter0 Compare Match A 14 0x00D TIMER0_COMPB Timer/Counter0 Compare Match B 15 0x00E TIMER0_OVF Timer/Counter0 Overflow 16 0x00F SPI_STC SPI Serial Transfer Complete 17 0x010 ADC ADC Conversion Complete 18 0x011 EE_RDY EEPROM Ready 19 0x012 ANA_COMP Analog Comparator 20 0x013 TWI 2-wire Serial Interface |
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