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Central processor – Motorola DSP56012 User Manual

Page 248

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B-16

DSP56012 User’s Manual

MOTOROLA

Programming Reference

Application:

Date:

Programmer:

Sheet 2 of 4

CENTRAL PROCESSOR

*

= Reserved, write as 0

SAL1

SAL0

Enabled

IPL

0

0

No

0

1

Yes

0

1

0

Yes

1

1

1

Yes

2

1

5

1

4

1

3

1

2

1

1

1

0

9876543210

HPL0

SAL1

SAL0

IBL2

IBL1

IBL0

IAL2

IAL1

IAL0

Interrupt Priority

X:$FFFF Read/Write

SHL1

SHL0

Reset = $000000

Register (IPR)

23

22

21

20

19

18

16

17

*

0

*

0

*

0

*

0

*

0

*

0

*

0

*

0

*

0

*

0

HPL1

00

SAI IPL

SHL1

SHL0

Enabled

IPL

0

0

No

0

1

Yes

0

1

0

Yes

1

1

1

Yes

2

SHI IPL

HPL1

HPL0

Enabled

IPL

0

0

No

0

1

Yes

0

1

0

Yes

1

1

1

Yes

2

HI IPL

ILA2

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

ILA2

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

DTL1

DTL0

DTL1

DTL0

Enabled

IPL

0

0

No

0

1

Yes

0

1

0

Yes

1

1

1

Yes

2

DAX IPL

IPR

Interrupt Priority Register (IPR)