1. Sistemul de intreruperi
dsPIC DSC -16Bit
Sistemul de intreruperi
Timere
Multitasking
Servo

2. Carateristici sistem intreruperi:
• Up to 8 processor exceptions and software traps
• 7 user selectable priority levels
• Interrupt Vector Table (IVT) with up to 62 vectors
• A unique vector for each interrupt or exception source
• Fixed priority within a specified user priority level
• Alternate Interrupt Vector Table (AIVT) for debug support
• Fixed interrupt entry and return latencies

3. Tabel vectori intrerupere

4. Trap vectors

7. Registre asociate sist. intreruperi
• INTCON1, INTCON2 Registers
• IFSx: Interrupt Flag Status Registers
• IECx: Interrupt Enable Control Registers
• IPCx: Interrupt Priority Control Registers
• SR: CPU Status Register
• CORCON: Core Control Register

8. Status Register ( CPU)

9. INTCON1

10. INTCON2

11. IFS0

12. IFS1 – IFS2

13. IEC0

14. IEC1 – IEC2

15. Timer1 (A)

16. Timer2 (B)

17. Timer3 ( C )

18. Servo - timing

19. SERVO - standarde