Motorola DSP56301 ユーザーズマニュアル

Interrupt Sources and Priorities

Programming Reference

-11

Table B-4. Interrupt Source Priorities Within an IPL 

Level 3 (nonmaskable)

Highest

Hardware RESET

Stack error

Illegal instruction

Debug request interrupt

Trap

Nonmaskable interrupt

Lowest

Nonmaskable Host Command Interrupt

Levels 0, 1, 2 (maskable)

Highest

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 PCI Transaction Termination

Host PCI Transaction Abort

Host PCI Parity Error

Host PCI Transfer Complete

Host PCI Master Receive Request

Host Slave Receive Request

Host PCI Master Transmit Request

Host Slave Transmit Request

Host PCI Master Address Request

ESSI0 RX data with exception interrupt

ESSI0 RX data interrupt