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Figure b-3, Interrupt priority register core (iprc), Interrupt priority – Motorola DSP56301 User Manual

Page 327: Programming sheets, B-15, Application: date: programmer, Irqa mode, Irqb mode, Irqc mode, Irqd mode

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Programming Sheets

Programming Reference

B

-15

Figure B-3. Interrupt Priority Register Core (IPRC)

Application:

Date:

Programmer:

Sheet 1 of 2

Interrupt Priority

D1L0

IDL2 IDL1

IBL2

IBL1

IBL0 IAL2

IAL1

IAL0

D0L1 D0L0

D1L1

IAL2

Trigger

0

Level

1

Neg. Edge

IRQA Mode

IAL1

IAL0

Enabled

IPL

0

0

No

0

1

Yes

0

1

0

Yes

1

1

1

Yes

2

IBL2

Trigger

0

Level

1

Neg. Edge

IRQB Mode

IBL1

IBL0

Enabled

IPL

0

0

No

0

1

Yes

0

1

0

Yes

1

1

1

Yes

2

ICL0

ICL1

ICL2

IDL0

D2L0

D2L1

D3L0

D3L1

D4L0

D4L1

D5L0

D5L1

ICL2

Trigger

0

Level

1

Neg. Edge

IRQC Mode

ICL1

ICL0

Enabled

IPL

0

0

No

0

1

Yes

0

1

0

Yes

1

1

1

Yes

2

IDL2

Trigger

0

Level

1

Neg. Edge

IRQD Mode

IDL1

IDL0

Enabled

IPL

0

0

No

0

1

Yes

0

1

0

Yes

1

1

1

Yes

2

Interrupt Priority Register (IPRC)

X:$FFFFFF Read/Write

Reset = $000000

15 14 13 12 11 10

9

8

7

6

5

4

3

2

1

0

19 18 17 16

23 22 21 20

DMA5 IPL

D5L1

D5L0

Enabled

IPL

0

0

No

0

1

Yes

0

1

0

Yes

1

1

1

Yes

2

DMA4 IPL

D4L1

D4L0

Enabled

IPL

0

0

No

0

1

Yes

0

1

0

Yes

1

1

1

Yes

2

DMA3 IPL

D3L1

D3L0

Enabled

IPL

0

0

No

0

1

Yes

0

1

0

Yes

1

1

1

Yes

2

DMA2 IPL

D2L1

D2L0

Enabled

IPL

0

0

No

0

1

Yes

0

1

0

Yes

1

1

1

Yes

2

DMA1 IPL

D1L1

D1L0

Enabled

IPL

0

0

No

0

1

Yes

0

1

0

Yes

1

1

1

Yes

2

DMA0 IPL

D0L1

D0L0

Enabled

IPL

0

0

No

0

1

Yes

0

1

0

Yes

1

1

1

Yes

2