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Configuring Interrupts

DSP56303 User’s Manual, Rev. 2

Freescale Semiconductor

4-17

Table 4-5. Interrupt Sources

Interrupt

Starting Address

Interrupt

Priority Level

Range

Interrupt Source

VBA:$00

Hardware RESET

VBA:$02

Stack error

VBA:$04

Illegal instruction

VBA:$06

Debug request interrupt

VBA:$08

Trap

VBA:$0A

Nonmaskable interrupt (NMI)

VBA:$0C

Reserved

VBA:$0E

Reserved

VBA:$10

0–2

IRQA

VBA:$12

0–2

IRQB

VBA:$14

0–2

IRQC

VBA:$16

0–2

IRQD

VBA:$18

0–2

DMA channel 0

VBA:$1A

0–2

DMA channel 1

VBA:$1C

0–2

DMA channel 2

VBA:$1E

0–2

DMA channel 3

VBA:$20

0–2

DMA channel 4

VBA:$22

0–2

DMA channel 5

VBA:$24

0–2

TIMER 0 compare

VBA:$26

0–2

TIMER 0 overflow

VBA:$28

0–2

TIMER 1 compare

VBA:$2A

0–2

TIMER 1 overflow

VBA:$2C

0–2

TIMER 2 compare

VBA:$2E

0–2

TIMER 2 overflow

VBA:$30

0–2

ESSI0 receive data

VBA:$32

0–2

ESSI0 receive data with exception status

VBA:$34

0–2

ESSI0 receive last slot

VBA:$36

0–2

ESSI0 transmit data

VBA:$38

0–2

ESSI0 transmit data with exception status

VBA:$3A

0–2

ESSI0 transmit last slot

VBA:$3C

0–2

Reserved

VBA:$3E

0–2

Reserved

VBA:$40

0–2

ESSI1 receive data

VBA:$42

0–2

ESSI1 receive data with exception status

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