PIC24EP128GP202 interrupt vectors

Reset at 0x000000 (a GOTO to the program), then the interrupt vector table from 0x000004: first the 7 traps (non-maskable faults: oscillator failure, address error, stack error, math error…), then the 48 interrupt sources. Each vector is one program word holding its handler's address, so vector n is at 0x000004 + 2n, and IRQ n is vector n + 8. Each source has a flag in IFSx, an enable bit in IECx and a priority from 1 to 7 in IPCx (the Registers page lists them). In XC16 a handler is named after its vector: void __attribute__((interrupt, auto_psv)) _T1Interrupt(void).

Vector	IRQ · address	Name	Handler	Source
–	`0x000000`	RESET	reset: `main()` after start-up	Reset
0	trap · `0x000004`	OscillatorFail	`_OscillatorFail`	Oscillator Fail Trap vector
1	trap · `0x000006`	AddressError	`_AddressError`	Address error Trap vector
2	trap · `0x000008`	HardTrapError	`_HardTrapError`	Generic Hard Trap vector
3	trap · `0x00000A`	StackError	`_StackError`	Stack Error Trap Vector
4	trap · `0x00000C`	MathError	`_MathError`	Math Error Trap vector
5	trap · `0x00000E`	DMACError	`_DMACError`	DMAC Error Trap vector
6	trap · `0x000010`	SoftTrapError	`_SoftTrapError`	Generic Soft Trap vector
8	IRQ 0 · `0x000014`	INT0Interrupt	`_INT0Interrupt`	External Interrupt 0
9	IRQ 1 · `0x000016`	IC1Interrupt	`_IC1Interrupt`	Input Compare 1
10	IRQ 2 · `0x000018`	OC1Interrupt	`_OC1Interrupt`	Output Compare 1
11	IRQ 3 · `0x00001A`	T1Interrupt	`_T1Interrupt`	Timer 1
12	IRQ 4 · `0x00001C`	DMA0Interrupt	`_DMA0Interrupt`	DMA Channel 0
13	IRQ 5 · `0x00001E`	IC2Interrupt	`_IC2Interrupt`	Input Capture 2
14	IRQ 6 · `0x000020`	OC2Interrupt	`_OC2Interrupt`	Output Compare 2
15	IRQ 7 · `0x000022`	T2Interrupt	`_T2Interrupt`	Timer 2
16	IRQ 8 · `0x000024`	T3Interrupt	`_T3Interrupt`	Timer 3
17	IRQ 9 · `0x000026`	SPI1ErrInterrupt	`_SPI1ErrInterrupt`	SPI1 error
18	IRQ 10 · `0x000028`	SPI1Interrupt	`_SPI1Interrupt`	SPI1 transfer done
19	IRQ 11 · `0x00002A`	U1RXInterrupt	`_U1RXInterrupt`	UART1 Receiver
20	IRQ 12 · `0x00002C`	U1TXInterrupt	`_U1TXInterrupt`	UART1 Transmitter
21	IRQ 13 · `0x00002E`	AD1Interrupt	`_AD1Interrupt`	ADC1 Convert Done
22	IRQ 14 · `0x000030`	DMA1Interrupt	`_DMA1Interrupt`	DMA Channel 1
24	IRQ 16 · `0x000034`	SI2C1Interrupt	`_SI2C1Interrupt`	I2C1 Slave Events
25	IRQ 17 · `0x000036`	MI2C1Interrupt	`_MI2C1Interrupt`	I2C1 Master Events
26	IRQ 18 · `0x000038`	CM1Interrupt	`_CM1Interrupt`	Analog Comparator Combined Interrupt
27	IRQ 19 · `0x00003A`	CNInterrupt	`_CNInterrupt`	Change Notification Interrupt
28	IRQ 20 · `0x00003C`	INT1Interrupt	`_INT1Interrupt`	External Interrupt 1
32	IRQ 24 · `0x000044`	DMA2Interrupt	`_DMA2Interrupt`	DMA Channel 2
33	IRQ 25 · `0x000046`	OC3Interrupt	`_OC3Interrupt`	Output Compare 3
34	IRQ 26 · `0x000048`	OC4Interrupt	`_OC4Interrupt`	Output Compare 4
35	IRQ 27 · `0x00004A`	T4Interrupt	`_T4Interrupt`	Timer 4
36	IRQ 28 · `0x00004C`	T5Interrupt	`_T5Interrupt`	Timer 5
37	IRQ 29 · `0x00004E`	INT2Interrupt	`_INT2Interrupt`	External Interrupt 2
38	IRQ 30 · `0x000050`	U2RXInterrupt	`_U2RXInterrupt`	UART2 Receiver
39	IRQ 31 · `0x000052`	U2TXInterrupt	`_U2TXInterrupt`	UART2 Transmitter
40	IRQ 32 · `0x000054`	SPI2ErrInterrupt	`_SPI2ErrInterrupt`	SPI2 error
41	IRQ 33 · `0x000056`	SPI2Interrupt	`_SPI2Interrupt`	SPI2 transfer done
44	IRQ 36 · `0x00005C`	DMA3Interrupt	`_DMA3Interrupt`	DMA Channel 3
45	IRQ 37 · `0x00005E`	IC3Interrupt	`_IC3Interrupt`	Input Capture 3
46	IRQ 38 · `0x000060`	IC4Interrupt	`_IC4Interrupt`	Input Capture 4
57	IRQ 49 · `0x000076`	SI2C2Interrupt	`_SI2C2Interrupt`	I2C2 Slave Events
58	IRQ 50 · `0x000078`	MI2C2Interrupt	`_MI2C2Interrupt`	I2C2 Master Events
66	IRQ 58 · `0x000088`	QEI1Interrupt	`_QEI1Interrupt`	QEI1 Position Counter Compare
73	IRQ 65 · `0x000096`	U1ErrInterrupt	`_U1ErrInterrupt`	UART1 Error
74	IRQ 66 · `0x000098`	U2ErrInterrupt	`_U2ErrInterrupt`	UART2 Error
75	IRQ 67 · `0x00009A`	CRCInterrupt	`_CRCInterrupt`	CRC Generator Intrrupt
85	IRQ 77 · `0x0000AE`	CTMUInterrupt	`_CTMUInterrupt`	CTMU Interrupt
150	IRQ 142 · `0x000130`	ICDInterrupt	`_ICDInterrupt`	ICD Application
151	IRQ 143 · `0x000132`	JTAGInterrupt	`_JTAGInterrupt`	JTAG Programming
153	IRQ 145 · `0x000136`	PTGSTEPInterrupt	`_PTGSTEPInterrupt`	PTG STEP EVENT
154	IRQ 146 · `0x000138`	PTGWDTInterrupt	`_PTGWDTInterrupt`	PTG Watchdog Time Out
155	IRQ 147 · `0x00013A`	PTG0Interrupt	`_PTG0Interrupt`	PTG Interrupt 0
156	IRQ 148 · `0x00013C`	PTG1Interrupt	`_PTG1Interrupt`	PTG Interrupt 1
157	IRQ 149 · `0x00013E`	PTG2Interrupt	`_PTG2Interrupt`	PTG Interrupt 2
158	IRQ 150 · `0x000140`	PTG3Interrupt	`_PTG3Interrupt`	PTG Interrupt 3