D.4 Interrupt Priorities - Motorola DSP56305 User Manual

D.4 INTERRUPT PRIORITIES
Table D-3 Interrupt Source Priorities within an IPL
Priority
Highest
Lowest
Highest
MOTOROLA
Level 3 (Nonmaskable)
Hardware RESET
Stack Error
Illegal Instruction
Debug Request Interrupt
Trap
Non-Maskable Interrupt
Levels 0, 1, 2 (Maskable)
IRQA (External Interrupt)
IRQB (External Interrupt)
IRQC (External Interrupt)
IRQD (External Interrupt)
DMA Channel 0 Interrupt
DMA Channel 1 Interrupt
DMA Channel 2 Interrupt
DMA Channel 3 Interrupt
DMA Channel 4 Interrupt
DMA Channel 5 Interrupt
Host Command Interrupt
Host Transmit Data Empty
Host Receive Data Full
ESSI0 RX Data with Exception Interrupt
DSP56305 User's Manual
PROGRAMMING REFERENCE
Interrupt Source
D-13