PIC32MX575F512H interrupts
The 68 interrupt sources (IRQs) of the interrupt controller (EVIC). IRQ n has its flag in IFSx and its enable bit in IECx, bit n mod 32 of register n ÷ 32; each source jumps to its vector, and some share one: on this chip several IRQs (a UART's receive, transmit and error) use the same vector, so its handler checks their flags. With multi-vector mode on (INTCONbits.MVEC = 1) each vector has its own handler; in XC32 it is void __ISR(_TIMER_1_VECTOR, IPL4AUTO) Timer1Handler(void), its IPL matching the priority set in IPCx.
| IRQ | Vector | Name | Handler | Source |
|---|---|---|---|---|
| 0 | 0 | CORE_TIMER | __ISR(_CORE_TIMER_VECTOR, IPL4AUTO) | Core Timer |
| 1 | 1 | CORE_SOFTWARE_0 | __ISR(_CORE_SOFTWARE_0_VECTOR, IPL4AUTO) | Core Software 0 |
| 2 | 2 | CORE_SOFTWARE_1 | __ISR(_CORE_SOFTWARE_1_VECTOR, IPL4AUTO) | Core Software 1 |
| 3 | 3 | EXTERNAL_0 | __ISR(_EXTERNAL_0_VECTOR, IPL4AUTO) | Ext INT 0 |
| 4 | 4 | TIMER_1 | __ISR(_TIMER_1_VECTOR, IPL4AUTO) | Timer 1 |
| 5 | 5 | INPUT_CAPTURE_1 | __ISR(_INPUT_CAPTURE_1_VECTOR, IPL4AUTO) | Input Capture 1 |
| 6 | 6 | OUTPUT_COMPARE_1 | __ISR(_OUTPUT_COMPARE_1_VECTOR, IPL4AUTO) | Output Compare 1 |
| 7 | 7 | EXTERNAL_1 | __ISR(_EXTERNAL_1_VECTOR, IPL4AUTO) | Ext INT 1 |
| 8 | 8 | TIMER_2 | __ISR(_TIMER_2_VECTOR, IPL4AUTO) | Timer 2 |
| 9 | 9 | INPUT_CAPTURE_2 | __ISR(_INPUT_CAPTURE_2_VECTOR, IPL4AUTO) | Input Capture 2 |
| 10 | 10 | OUTPUT_COMPARE_2 | __ISR(_OUTPUT_COMPARE_2_VECTOR, IPL4AUTO) | Output Compare 2 |
| 11 | 11 | EXTERNAL_2 | __ISR(_EXTERNAL_2_VECTOR, IPL4AUTO) | External INT 2 |
| 12 | 12 | TIMER_3 | __ISR(_TIMER_3_VECTOR, IPL4AUTO) | Timer 3 |
| 13 | 13 | INPUT_CAPTURE_3 | __ISR(_INPUT_CAPTURE_3_VECTOR, IPL4AUTO) | Input Capture 3 |
| 14 | 14 | OUTPUT_COMPARE_3 | __ISR(_OUTPUT_COMPARE_3_VECTOR, IPL4AUTO) | Output Compare 3 |
| 15 | 15 | EXTERNAL_3 | __ISR(_EXTERNAL_3_VECTOR, IPL4AUTO) | Ext INT 3 |
| 16 | 16 | TIMER_4 | __ISR(_TIMER_4_VECTOR, IPL4AUTO) | Timer 4 |
| 17 | 17 | INPUT_CAPTURE_4 | __ISR(_INPUT_CAPTURE_4_VECTOR, IPL4AUTO) | Input Capture 4 |
| 18 | 18 | OUTPUT_COMPARE_4 | __ISR(_OUTPUT_COMPARE_4_VECTOR, IPL4AUTO) | Output Compare 4 |
| 19 | 19 | EXTERNAL_4 | __ISR(_EXTERNAL_4_VECTOR, IPL4AUTO) | Ext INT 4 |
| 20 | 20 | TIMER_5 | __ISR(_TIMER_5_VECTOR, IPL4AUTO) | Timer 5 |
| 21 | 21 | INPUT_CAPTURE_5 | __ISR(_INPUT_CAPTURE_5_VECTOR, IPL4AUTO) | Input Capture 5 |
| 22 | 22 | OUTPUT_COMPARE_5 | __ISR(_OUTPUT_COMPARE_5_VECTOR, IPL4AUTO) | Output Compare 5 |
| 26 | 24 | I2C3_BUS | __ISR(_I2C_3_VECTOR, IPL4AUTO) | I2C3 Error |
| 27 | 24 | I2C3_SLAVE | __ISR(_I2C_3_VECTOR, IPL4AUTO) | I2C3 Slave |
| 28 | 24 | I2C3_MASTER | __ISR(_I2C_3_VECTOR, IPL4AUTO) | I2C3 Master |
| 29 | 25 | I2C1_BUS | __ISR(_I2C_1_VECTOR, IPL4AUTO) | I2C1 Bus Collision Event |
| 30 | 25 | I2C1_SLAVE | __ISR(_I2C_1_VECTOR, IPL4AUTO) | I2C1 Slave Event |
| 31 | 25 | I2C1_MASTER | __ISR(_I2C_1_VECTOR, IPL4AUTO) | I2C1 Master Event |
| 32 | 26 | CHANGE_NOTICE | __ISR(_CHANGE_NOTICE_VECTOR, IPL4AUTO) | Change Notice |
| 33 | 27 | ADC | __ISR(_ADC_VECTOR, IPL4AUTO) | ADC1 Convert Done |
| 34 | 28 | PMP | __ISR(_PMP_VECTOR, IPL4AUTO) | Parallel Master Port |
| 35 | 29 | COMPARATOR_1 | __ISR(_COMPARATOR_1_VECTOR, IPL4AUTO) | Comparator 1 |
| 36 | 30 | COMPARATOR_2 | __ISR(_COMPARATOR_2_VECTOR, IPL4AUTO) | Comparator 2 |
| 37 | 31 | I2C4_BUS | __ISR(_I2C_4_VECTOR, IPL4AUTO) | I2C4 Error |
| 38 | 31 | I2C4_SLAVE | __ISR(_I2C_4_VECTOR, IPL4AUTO) | I2C4 Slave |
| 39 | 31 | I2C4_MASTER | __ISR(_I2C_4_VECTOR, IPL4AUTO) | I2C4 Master |
| 40 | 32 | I2C5_BUS | __ISR(_I2C_5_VECTOR, IPL4AUTO) | I2C5 Error |
| 41 | 32 | I2C5_SLAVE | __ISR(_I2C_5_VECTOR, IPL4AUTO) | I2C5 Receiver |
| 42 | 32 | I2C5_MASTER | __ISR(_I2C_5_VECTOR, IPL4AUTO) | I2C5 Transmitter |
| 46 | 34 | FAIL_SAFE_MONITOR | __ISR(_FAIL_SAFE_MONITOR_VECTOR, IPL4AUTO) | Fail Safe Clock Monitor |
| 47 | 35 | RTCC | __ISR(_RTCC_VECTOR, IPL4AUTO) | Real Time Clock Calendar |
| 48 | 36 | DMA0 | __ISR(_DMA_0_VECTOR, IPL4AUTO) | DMA Channel 0 |
| 49 | 37 | DMA1 | __ISR(_DMA_1_VECTOR, IPL4AUTO) | DMA Channel 1 |
| 50 | 38 | DMA2 | __ISR(_DMA_2_VECTOR, IPL4AUTO) | DMA Channel 2 |
| 51 | 39 | DMA3 | __ISR(_DMA_3_VECTOR, IPL4AUTO) | DMA Channel 3 |
| 52 | 40 | DMA4 | __ISR(_DMA_4_VECTOR, IPL4AUTO) | DMA Channel 4 |
| 53 | 41 | DMA5 | __ISR(_DMA_5_VECTOR, IPL4AUTO) | DMA Channel 5 |
| 54 | 42 | DMA6 | __ISR(_DMA_6_VECTOR, IPL4AUTO) | DMA Channel 6 |
| 55 | 43 | DMA7 | __ISR(_DMA_7_VECTOR, IPL4AUTO) | DMA Channel 7 |
| 56 | 44 | FLASH_CONTROL | __ISR(_FCE_VECTOR, IPL4AUTO) | Flash Control Event |
| 57 | 45 | USB | __ISR(_USB_1_VECTOR, IPL4AUTO) | USB |
| 58 | 46 | CAN1 | __ISR(_CAN_1_VECTOR, IPL4AUTO) | CAN 1 |
| 61 | 5 | INPUT_CAPTURE_ERROR_1 | __ISR(_INPUT_CAPTURE_1_VECTOR, IPL4AUTO) | Input Capture Error 1 |
| 62 | 9 | INPUT_CAPTURE_ERROR_2 | __ISR(_INPUT_CAPTURE_2_VECTOR, IPL4AUTO) | Input Capture Error 2 |
| 63 | 13 | INPUT_CAPTURE_ERROR_3 | __ISR(_INPUT_CAPTURE_3_VECTOR, IPL4AUTO) | Input Capture Error 3 |
| 64 | 17 | INPUT_CAPTURE_ERROR_4 | __ISR(_INPUT_CAPTURE_4_VECTOR, IPL4AUTO) | Input Capture Error 4 |
| 65 | 21 | INPUT_CAPTURE_ERROR_5 | __ISR(_INPUT_CAPTURE_5_VECTOR, IPL4AUTO) | Input Capture Error 5 |
| 66 | 28 | PMP_ERROR | __ISR(_PMP_VECTOR, IPL4AUTO) | PMP Error |
| 67 | 49 | UART4_ERR | __ISR(_UART_4_VECTOR, IPL4AUTO) | UART4 Error |
| 68 | 49 | UART4_RX | __ISR(_UART_4_VECTOR, IPL4AUTO) | UART4 Receiver |
| 69 | 49 | UART4_TX | __ISR(_UART_4_VECTOR, IPL4AUTO) | UART4 Transmitter |
| 70 | 50 | UART6_ERR | __ISR(_UART_6_VECTOR, IPL4AUTO) | UART6 Error |
| 71 | 50 | UART6_RX | __ISR(_UART_6_VECTOR, IPL4AUTO) | UART6 Receiver |
| 72 | 50 | UART6_TX | __ISR(_UART_6_VECTOR, IPL4AUTO) | UART6 Transmitter |
| 73 | 51 | UART5_ERR | __ISR(_UART_5_VECTOR, IPL4AUTO) | UART5 Error |
| 74 | 51 | UART5_RX | __ISR(_UART_5_VECTOR, IPL4AUTO) | UART5 Receiver |
| 75 | 51 | UART5_TX | __ISR(_UART_5_VECTOR, IPL4AUTO) | UART5 Transmitter |