B-3 Interrupt Priority Register-Core (Iprc) - Motorola DSP56303 User Manual

Programming Sheets
Application:
Interrupt Priority
DMA5 IPL
D5L1 D5L0 Enabled
0 0 No
0 1 Yes
1 0 Yes
1 1 Yes
DMA4 IPL
D4L1 D4L0 Enabled
0 0
0 1
1 0
1 1
DMA3 IPL
D3L1 D3L0
0 0
0 1
1 0
1 1
DMA2 IPL
D2L1 D2L0
0 0
0 1
1 0
1 1
DMA1 IPL
D1L1 D1L0
0 0
0 1
1 0
1 1
D0L1 D0L0
0
0
1
1
23 22 21 20 19 18 17 16
D5L1 D5L0 D4L1 D4L0 D3L1
Interrupt Priority Register (IPRC)
Reset = $000000
B-14
IPL
—
0
1
2
IPL
No —
Yes 0
Yes 1
Yes 2
Enabled IPL
No —
Yes 0
Yes 1
Yes 2
Enabled IPL
No —
Yes 0
Yes 1
Yes 2
Enabled IPL
No —
Yes 0
Yes 1
Yes 2
DMA0 IPL
Enabled IPL
0 No —
1 Yes 0
0 Yes 1
1 Yes 2
15 14 13 12 11 10 9
D3L0 D2L1 D2L0 D1L1 D1L0 D0L1 D0L0
X:$FFFFFF Read/Write
Figure B-3. Interrupt Priority Register-Core (IPRC)
DSP56303 User's Manual
Date:
Programmer:
IRQD Mode
IDL2 Trigger IDL1
0 Level
1 Neg. Edge
IRQC Mode
ICL2 Trigger ICL1
0 Level
1 Neg. Edge
IRQB Mode
IBL2 Trigger IBL1
0 Level
1 Neg. Edge
IRQA Mode
IAL2 Trigger IAL1
0 Level
1 Neg. Edge
8 7 6
IDL2 IDL1 IDL0 ICL2 ICL1 ICL0
Sheet 1 of 2
IDL0 Enabled IPL
0 0 No —
0 1 Yes 0
1 0 Yes 1
1 1 Yes 2
ICL0 Enabled IPL
0 0 No —
0 1 Yes 0
1 0 Yes 1
1 1 Yes 2
IBL0 Enabled IPL
0 0 No —
0 1 Yes 0
1 0 Yes 1
1 1 Yes 2
IAL0 Enabled IPL
0 0 No —
0 1 Yes 0
1 0 Yes 1
1 1 Yes 2
5 4 3 2 1 0
IBL2 IBL1 IBL0 IAL2 IAL1 IAL0