AI Interactive Datasheet ATmega32A
AVR · megaAVR

ATmega32A interrupt vectors

The 21 vectors at the start of flash, two words each (a JMP). A lower number has the higher priority; vector 0 is reset. In avr-gcc a handler is ISR(NAME_vect).

VectorProgram addressNameHandlerSource
00x0000RESET reset: main() after start-upExternal Pin, Power-on Reset, Brown-out Reset and Watchdog Reset
10x0002INT0 INT0_vectExternal Interrupt Request 0
20x0004INT1 INT1_vectExternal Interrupt Request 1
30x0006INT2 INT2_vectExternal Interrupt Request 2
40x0008TIMER2_COMP TIMER2_COMP_vectTimer/Counter2 Compare Match
50x000ATIMER2_OVF TIMER2_OVF_vectTimer/Counter2 Overflow
60x000CTIMER1_CAPT TIMER1_CAPT_vectTimer/Counter1 Capture Event
70x000ETIMER1_COMPA TIMER1_COMPA_vectTimer/Counter1 Compare Match A
80x0010TIMER1_COMPB TIMER1_COMPB_vectTimer/Counter1 Compare Match B
90x0012TIMER1_OVF TIMER1_OVF_vectTimer/Counter1 Overflow
100x0014TIMER0_COMP TIMER0_COMP_vectTimer/Counter0 Compare Match
110x0016TIMER0_OVF TIMER0_OVF_vectTimer/Counter0 Overflow
120x0018SPI_STC SPI_STC_vectSerial Transfer Complete
130x001AUSART_RXC USART_RXC_vectUSART, Rx Complete
140x001CUSART_UDRE USART_UDRE_vectUSART Data Register Empty
150x001EUSART_TXC USART_TXC_vectUSART, Tx Complete
160x0020ADC ADC_vectADC Conversion Complete
170x0022EE_RDY EE_RDY_vectEEPROM Ready
180x0024ANA_COMP ANA_COMP_vectAnalog Comparator
190x0026TWI TWI_vect2-wire Serial Interface
200x0028SPM_RDY SPM_RDY_vectStore Program Memory Ready