DSP56303 datasheet(77/292 Pages) FREESCALE

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Configuring Interrupts

DSP56303 User’s Manual, Rev. 2

Freescale Semiconductor

4-19

Illegal instruction

Debug request interrupt

Trap

Lowest

Nonmaskable 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 transmit data empty

Host receive data full

ESSI0 RX data with exception interrupt

ESSI0 RX data interrupt

ESSI0 receive last slot interrupt

ESSI0 TX data with exception interrupt

ESSI0 transmit last slot interrupt

ESSI0 TX data interrupt

ESSI1 RX data with exception interrupt

ESSI1 RX data interrupt

ESSI1 receive last slot interrupt

ESSI1 TX data with exception interrupt

ESSI1 transmit last slot interrupt

ESSI1 TX data interrupt

SCI receive data with exception interrupt

SCI receive data

SCI transmit data

SCI idle line

SCI timer

TIMER0 overflow interrupt

Table 4-6. Interrupt Source Priorities Within an IPL (Continued)

Priority

Interrupt Source

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