DSP56857 datasheet(526/662 Pages) FREESCALE

526 / 662 page

Application:

Date:

Programmer:

Sheet

5685X Digital Signal Controller User Manual, Rev. 4

B-24

Freescale Semiconductor

4 of 24

ITCN

Interrupt Priority Register 2 (IPR2) continued

Interrupt Priority

$1FFF20 + $2

Bits

Read

DMA2 IPL

DMA1 IPL

DMA0 IPL

LOCK IPL

IRQB IPL

IRQA IPL

Write

Reset

0000

Bits

Name

Description

7 - 6

LOCK IPL

Loss of Lock Interrupt Priority Level

This bit field is used to set the interrupt priority levels for this peripheral IRQ.

IRQ disabled by default

IRQ is priority level 1

IRQ is priority level 2

IRQ is priority level 3

3 - 2

IRQB IPL

External IRQB Interrupt Priority Level

This bit field is used to set the interrupt priority levels for this peripheral IRQ.

IRQ disabled by default

IRQ is priority level 1

IRQ is priority level 2

IRQ is priority level 3

1 - 0

IRQA IPL

External IRQA Interrupt Priority Level

This bit field is used to set the interrupt priority levels for this peripheral IRQ.

IRQ disabled by default

IRQ is priority level 1

IRQ is priority level 2

IRQ is priority level 3

denotes Reserved Bits

DSP56857 Scheda tecnica(PDF) 526 Page - Freescale Semiconductor, Inc

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