AI Interactive Datasheet ATmega64
AVR · megaAVR

ATmega64 interrupt vectors

The 35 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, Watchdog Reset and JTAG AVR Reset
10x0002INT0 INT0_vectExternal Interrupt Request 0
20x0004INT1 INT1_vectExternal Interrupt Request 1
30x0006INT2 INT2_vectExternal Interrupt Request 2
40x0008INT3 INT3_vectExternal Interrupt Request 3
50x000AINT4 INT4_vectExternal Interrupt Request 4
60x000CINT5 INT5_vectExternal Interrupt Request 5
70x000EINT6 INT6_vectExternal Interrupt Request 6
80x0010INT7 INT7_vectExternal Interrupt Request 7
90x0012TIMER2_COMP TIMER2_COMP_vectTimer/Counter2 Compare Match
100x0014TIMER2_OVF TIMER2_OVF_vectTimer/Counter2 Overflow
110x0016TIMER1_CAPT TIMER1_CAPT_vectTimer/Counter1 Capture Event
120x0018TIMER1_COMPA TIMER1_COMPA_vectTimer/Counter1 Compare Match A
130x001ATIMER1_COMPB TIMER1_COMPB_vectTimer/Counter Compare Match B
140x001CTIMER1_OVF TIMER1_OVF_vectTimer/Counter1 Overflow
150x001ETIMER0_COMP TIMER0_COMP_vectTimer/Counter0 Compare Match
160x0020TIMER0_OVF TIMER0_OVF_vectTimer/Counter0 Overflow
170x0022SPI_STC SPI_STC_vectSPI Serial Transfer Complete
180x0024USART0_RX USART0_RX_vectUSART0, Rx Complete
190x0026USART0_UDRE USART0_UDRE_vectUSART0 Data Register Empty
200x0028USART0_TX USART0_TX_vectUSART0, Tx Complete
210x002AADC ADC_vectADC Conversion Complete
220x002CEE_READY EE_READY_vectEEPROM Ready
230x002EANALOG_COMP ANALOG_COMP_vectAnalog Comparator
240x0030TIMER1_COMPC TIMER1_COMPC_vectTimer/Counter1 Compare Match C
250x0032TIMER3_CAPT TIMER3_CAPT_vectTimer/Counter3 Capture Event
260x0034TIMER3_COMPA TIMER3_COMPA_vectTimer/Counter3 Compare Match A
270x0036TIMER3_COMPB TIMER3_COMPB_vectTimer/Counter3 Compare Match B
280x0038TIMER3_COMPC TIMER3_COMPC_vectTimer/Counter3 Compare Match C
290x003ATIMER3_OVF TIMER3_OVF_vectTimer/Counter3 Overflow
300x003CUSART1_RX USART1_RX_vectUSART1, Rx Complete
310x003EUSART1_UDRE USART1_UDRE_vectUSART1, Data Register Empty
320x0040USART1_TX USART1_TX_vectUSART1, Tx Complete
330x0042TWI TWI_vect2-wire Serial Interface
340x0044SPM_READY SPM_READY_vectStore Program Memory Read