PIC32 FRM Section 8. Interrupts Family Reference Manual, Sect. 08

• Section 8. Interrupts
  • 8.1 Introduction
    • Figure 8-1: Interrupt Controller Module
  • 8.2 Control Registers
    • Table 8-1: Interrupts Register Summary
    • Register 8-1: INTCON: Interrupt Control Register
    • Register 8-2: INTSTAT: Interrupt Status Register
    • Register 8-3: IPTMR: Interrupt Proximity Timer Register
    • Register 8-4: IFSx: Interrupt Flag Status Register(1)
    • Register 8-5: IECx: Interrupt Enable Control Register(1)
    • Register 8-6: IPCx: Interrupt Priority Control Register(1) (Continued)
  • 8.3 Operation
    • Figure 8-2: Interrupt Process
  • 8.4 Single Vector Mode
    • Example 8-1: Single Vector Mode Initialization
  • 8.5 Multi-Vector Mode
    • Example 8-2: Multi-Vector Mode Initialization
  • 8.6 Interrupt Vector Address Calculation
    • 8.6.1 Multi-Vector Mode Address Calculation
      • Example 8-3: Vector Address for Vector Number 16
    • 8.6.2 Single Vector Mode Address Calculation
      • Equation 8-1: Single Vector Mode Address Calculation
  • 8.7 Interrupt Priorities
    • 8.7.1 Interrupt Group Priority
      • Example 8-4: Setting Group Priority Level
    • 8.7.2 Interrupt Subpriority
      • Example 8-5: Setting Subpriority Level
    • 8.7.3 Interrupt Natural Priority
  • 8.8 Interrupts and Register Sets
    • 8.8.1 Register Set Selection in Single Vector Mode
    • 8.8.2 Register Set Selection in Multi-Vector Mode
  • 8.9 Interrupt Processing
    • 8.9.1 Interrupt Processing in Single Vector Mode
      • Example 8-6: Single Vector Interrupt Handler Prologue in Assembly Code
      • Example 8-7: Single Vector Interrupt Handler Epilogue in Assembly Code
    • 8.9.2 Interrupt Processing in Multi-Vector Mode
      • Example 8-8: Prologue Without a Dedicated General Purpose Register Set in Assembly Code
      • Example 8-9: Prologue With a Dedicated General Purpose Register Set in Assembly Code
      • Example 8-10: Epilogue Without a Dedicated General Purpose Register Set in Assembly Code
      • Example 8-11: Epilogue With a Dedicated General Purpose Register Set in Assembly Code
  • 8.10 External Interrupts
    • Example 8-12: Setting External Interrupt Polarity
  • 8.11 Temporal Proximity Interrupt Coalescing
    • Figure 8-3: Temporal Proximity Interrupt Coalescing Block Diagram
    • Example 8-13: Temporal Proximity Interrupt Coalescing Example
  • 8.12 Effects of Interrupts After Reset
    • 8.12.1 Device Reset
    • 8.12.2 Power-on Reset
    • 8.12.3 Watchdog Timer Reset
  • 8.13 Operation in Power-Saving and Debug Modes
    • 8.13.1 Interrupt Operation in Sleep Mode
    • 8.13.2 Interrupt Operation in Idle Mode
    • 8.13.3 Interrupt Operation in Debug Mode
  • 8.14 Related Application Notes
  • 8.15 Revision History
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