dsPIC33FJ128GP802 interrupt vectors
Reset at 0x000000 (a GOTO to the program), then the interrupt vector table from 0x000004: first the 5 traps (non-maskable faults: oscillator failure, address error, stack error, math error…), then the 78 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 |
| 1 | trap · 0x000006 | OscillatorFail | _OscillatorFail | Oscillator Fail Trap Vector |
| 2 | trap · 0x000008 | AddressError | _AddressError | Address Error 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 |
| 8 | IRQ 0 · 0x000014 | INT0Interrupt | _INT0Interrupt | INT0 - External Interrupt 0 |
| 9 | IRQ 1 · 0x000016 | IC1Interrupt | _IC1Interrupt | IC1 - Input Compare 1 |
| 10 | IRQ 2 · 0x000018 | OC1Interrupt | _OC1Interrupt | OC1 - Output Compare 1 |
| 11 | IRQ 3 · 0x00001A | T1Interrupt | _T1Interrupt | T1 - Timer1 |
| 12 | IRQ 4 · 0x00001C | DMA0Interrupt | _DMA0Interrupt | DMA0 - DMA Channel 0 |
| 13 | IRQ 5 · 0x00001E | IC2Interrupt | _IC2Interrupt | IC2 - Input Capture 2 |
| 14 | IRQ 6 · 0x000020 | OC2Interrupt | _OC2Interrupt | OC2 - Output Compare 2 |
| 15 | IRQ 7 · 0x000022 | T2Interrupt | _T2Interrupt | T2 - Timer2 |
| 16 | IRQ 8 · 0x000024 | T3Interrupt | _T3Interrupt | T3 - Timer3 |
| 17 | IRQ 9 · 0x000026 | SPI1ErrInterrupt | _SPI1ErrInterrupt | SPI1E - SPI1 Error |
| 18 | IRQ 10 · 0x000028 | SPI1Interrupt | _SPI1Interrupt | SPI1 - SPI1 Transfer Done |
| 19 | IRQ 11 · 0x00002A | U1RXInterrupt | _U1RXInterrupt | U1RX - UART1 Receiver |
| 20 | IRQ 12 · 0x00002C | U1TXInterrupt | _U1TXInterrupt | U1TX - UART1 Transmitter |
| 21 | IRQ 13 · 0x00002E | ADC1Interrupt | _ADC1Interrupt | ADC1 - A/D Converter 1 |
| 22 | IRQ 14 · 0x000030 | DMA1Interrupt | _DMA1Interrupt | DMA1 - DMA Channel 1 |
| 24 | IRQ 16 · 0x000034 | SI2C1Interrupt | _SI2C1Interrupt | SI2C1 - I2C1 Slave Events |
| 25 | IRQ 17 · 0x000036 | MI2C1Interrupt | _MI2C1Interrupt | MI2C1 - I2C1 Master Events |
| 26 | IRQ 18 · 0x000038 | CMPInterrupt | _CMPInterrupt | CMP - Comparator Interrupt |
| 27 | IRQ 19 · 0x00003A | CNInterrupt | _CNInterrupt | Change Notification Interrupt |
| 28 | IRQ 20 · 0x00003C | INT1Interrupt | _INT1Interrupt | INT1 - External Interrupt 1 |
| 30 | IRQ 22 · 0x000040 | IC7Interrupt | _IC7Interrupt | IC7 - Input Capture 7 |
| 31 | IRQ 23 · 0x000042 | IC8Interrupt | _IC8Interrupt | IC8 - Input Capture 8 |
| 32 | IRQ 24 · 0x000044 | DMA2Interrupt | _DMA2Interrupt | DMA2 - DMA Channel 2 |
| 33 | IRQ 25 · 0x000046 | OC3Interrupt | _OC3Interrupt | OC3 - Output Compare 3 |
| 34 | IRQ 26 · 0x000048 | OC4Interrupt | _OC4Interrupt | OC4 - Output Compare 4 |
| 35 | IRQ 27 · 0x00004A | T4Interrupt | _T4Interrupt | T4 - Timer4 |
| 36 | IRQ 28 · 0x00004C | T5Interrupt | _T5Interrupt | T5 - Timer5 |
| 37 | IRQ 29 · 0x00004E | INT2Interrupt | _INT2Interrupt | INT2 - External Interrupt 2 |
| 38 | IRQ 30 · 0x000050 | U2RXInterrupt | _U2RXInterrupt | U2RX - UART2 Receiver |
| 39 | IRQ 31 · 0x000052 | U2TXInterrupt | _U2TXInterrupt | U2TX - UART2 Transmitter |
| 40 | IRQ 32 · 0x000054 | SPI2ErrInterrupt | _SPI2ErrInterrupt | SPI2E - SPI2 Error |
| 41 | IRQ 33 · 0x000056 | SPI2Interrupt | _SPI2Interrupt | SPI2 - SPI2 Transfer Done |
| 42 | IRQ 34 · 0x000058 | C1RxRdyInterrupt | _C1RxRdyInterrupt | C1RX - ECAN1 Receive Data Ready |
| 43 | IRQ 35 · 0x00005A | C1Interrupt | _C1Interrupt | C1 - ECAN1 Event |
| 44 | IRQ 36 · 0x00005C | DMA3Interrupt | _DMA3Interrupt | DMA3 - DMA Channel 3 |
| 45 | IRQ 37 · 0x00005E | Interrupt37 | _Interrupt37 | Reserved |
| 46 | IRQ 38 · 0x000060 | Interrupt38 | _Interrupt38 | Reserved |
| 47 | IRQ 39 · 0x000062 | Interrupt39 | _Interrupt39 | Reserved |
| 48 | IRQ 40 · 0x000064 | Interrupt40 | _Interrupt40 | Reserved |
| 49 | IRQ 41 · 0x000066 | Interrupt41 | _Interrupt41 | Reserved |
| 50 | IRQ 42 · 0x000068 | Interrupt42 | _Interrupt42 | Reserved |
| 51 | IRQ 43 · 0x00006A | Interrupt43 | _Interrupt43 | Reserved |
| 52 | IRQ 44 · 0x00006C | Interrupt44 | _Interrupt44 | Reserved |
| 53 | IRQ 45 · 0x00006E | PMPInterrupt | _PMPInterrupt | PMP - Parallel Master Port |
| 54 | IRQ 46 · 0x000070 | DMA4Interrupt | _DMA4Interrupt | DMA4 - DMA Channel 4 |
| 55 | IRQ 47 · 0x000072 | Interrupt47 | _Interrupt47 | Reserved |
| 56 | IRQ 48 · 0x000074 | Interrupt48 | _Interrupt48 | Reserved |
| 57 | IRQ 49 · 0x000076 | Interrupt49 | _Interrupt49 | Reserved |
| 58 | IRQ 50 · 0x000078 | Interrupt50 | _Interrupt50 | Reserved |
| 59 | IRQ 51 · 0x00007A | Interrupt51 | _Interrupt51 | Reserved |
| 60 | IRQ 52 · 0x00007C | Interrupt52 | _Interrupt52 | Reserved |
| 61 | IRQ 53 · 0x00007E | Interrupt53 | _Interrupt53 | Reserved |
| 62 | IRQ 54 · 0x000080 | Interrupt54 | _Interrupt54 | Reserved |
| 63 | IRQ 55 · 0x000082 | Interrupt55 | _Interrupt55 | Reserved |
| 64 | IRQ 56 · 0x000084 | Interrupt56 | _Interrupt56 | Reserved |
| 65 | IRQ 57 · 0x000086 | Interrupt57 | _Interrupt57 | Reserved |
| 66 | IRQ 58 · 0x000088 | Interrupt58 | _Interrupt58 | Reserved |
| 67 | IRQ 59 · 0x00008A | Interrupt59 | _Interrupt59 | Reserved |
| 68 | IRQ 60 · 0x00008C | DCIInterrupt | _DCIInterrupt | DCID - DCI Transfer Done |
| 69 | IRQ 61 · 0x00008E | DMA5Interrupt | _DMA5Interrupt | DMA5 - DMA Channel 5 |
| 70 | IRQ 62 · 0x000090 | RTCCInterrupt | _RTCCInterrupt | RTCC - Real-Time Clock and Calendar |
| 71 | IRQ 63 · 0x000092 | Interrupt63 | _Interrupt63 | Reserved |
| 72 | IRQ 64 · 0x000094 | Interrupt64 | _Interrupt64 | Reserved |
| 73 | IRQ 65 · 0x000096 | U1ErrInterrupt | _U1ErrInterrupt | U1E - UART1 Error |
| 74 | IRQ 66 · 0x000098 | U2ErrInterrupt | _U2ErrInterrupt | U2E - UART2 Error |
| 75 | IRQ 67 · 0x00009A | CRCInterrupt | _CRCInterrupt | CRC - Cyclic Redunancy Check |
| 76 | IRQ 68 · 0x00009C | DMA6Interrupt | _DMA6Interrupt | DMA6 - DMA Channel 6 |
| 77 | IRQ 69 · 0x00009E | DMA7Interrupt | _DMA7Interrupt | DMA7 - DMA Channel 7 |
| 78 | IRQ 70 · 0x0000A0 | C1TxReqInterrupt | _C1TxReqInterrupt | C1TX - ECAN1 Transmit Data Request |
| 79 | IRQ 71 · 0x0000A2 | Interrupt71 | _Interrupt71 | Reserved |
| 80 | IRQ 72 · 0x0000A4 | Interrupt72 | _Interrupt72 | Reserved |
| 81 | IRQ 73 · 0x0000A6 | Interrupt73 | _Interrupt73 | Reserved |
| 82 | IRQ 74 · 0x0000A8 | Interrupt74 | _Interrupt74 | Reserved |
| 83 | IRQ 75 · 0x0000AA | Interrupt75 | _Interrupt75 | Reserved |
| 84 | IRQ 76 · 0x0000AC | Interrupt76 | _Interrupt76 | Reserved |
| 85 | IRQ 77 · 0x0000AE | Interrupt77 | _Interrupt77 | Reserved |
| 86 | IRQ 78 · 0x0000B0 | DAC1RInterrupt | _DAC1RInterrupt | DAC1 - Right Data Request |
| 87 | IRQ 79 · 0x0000B2 | DAC1LInterrupt | _DAC1LInterrupt | DAC1 - Left Data Request |