ATmega48PA interrupt vectors

The 26 vectors at the start of flash, one word each (an RJMP). A lower number has the higher priority; vector 0 is reset. In avr-gcc a handler is ISR(NAME_vect).

Vector	Program address	Name	Handler	Source
0	`0x0000`	RESET	reset: `main()` after start-up	External Pin, Power-on Reset, Brown-out Reset and Watchdog Reset
1	`0x0001`	INT0	`INT0_vect`	External Interrupt Request 0
2	`0x0002`	INT1	`INT1_vect`	External Interrupt Request 1
3	`0x0003`	PCINT0	`PCINT0_vect`	Pin Change Interrupt Request 0
4	`0x0004`	PCINT1	`PCINT1_vect`	Pin Change Interrupt Request 0
5	`0x0005`	PCINT2	`PCINT2_vect`	Pin Change Interrupt Request 1
6	`0x0006`	WDT	`WDT_vect`	Watchdog Time-out Interrupt
7	`0x0007`	TIMER2_COMPA	`TIMER2_COMPA_vect`	Timer/Counter2 Compare Match A
8	`0x0008`	TIMER2_COMPB	`TIMER2_COMPB_vect`	Timer/Counter2 Compare Match A
9	`0x0009`	TIMER2_OVF	`TIMER2_OVF_vect`	Timer/Counter2 Overflow
10	`0x000A`	TIMER1_CAPT	`TIMER1_CAPT_vect`	Timer/Counter1 Capture Event
11	`0x000B`	TIMER1_COMPA	`TIMER1_COMPA_vect`	Timer/Counter1 Compare Match A
12	`0x000C`	TIMER1_COMPB	`TIMER1_COMPB_vect`	Timer/Counter1 Compare Match B
13	`0x000D`	TIMER1_OVF	`TIMER1_OVF_vect`	Timer/Counter1 Overflow
14	`0x000E`	TIMER0_COMPA	`TIMER0_COMPA_vect`	TimerCounter0 Compare Match A
15	`0x000F`	TIMER0_COMPB	`TIMER0_COMPB_vect`	TimerCounter0 Compare Match B
16	`0x0010`	TIMER0_OVF	`TIMER0_OVF_vect`	Timer/Counter0 Overflow
17	`0x0011`	SPI_STC	`SPI_STC_vect`	SPI Serial Transfer Complete
18	`0x0012`	USART_RX	`USART_RX_vect`	USART Rx Complete
19	`0x0013`	USART_UDRE	`USART_UDRE_vect`	USART, Data Register Empty
20	`0x0014`	USART_TX	`USART_TX_vect`	USART Tx Complete
21	`0x0015`	ADC	`ADC_vect`	ADC Conversion Complete
22	`0x0016`	EE_READY	`EE_READY_vect`	EEPROM Ready
23	`0x0017`	ANALOG_COMP	`ANALOG_COMP_vect`	Analog Comparator
24	`0x0018`	TWI	`TWI_vect`	Two-wire Serial Interface
25	`0x0019`	SPM_READY	`SPM_READY_vect`	Store Program Memory Read