Figure 4-1 Interrupt Priority Register C (Ipr-C) (X:$Ffffff); Figure 4-2 Interrupt Priority Register P (Ipr-P) (X:$Fffffe) - Motorola DSP56309 User Manual

There are two interrupt priority registers in the DSP56309. The IPRÐC is dedicated to
DSP56300 core interrupt sources, and IPRÐP is dedicated to DSP56309 peripheral
interrupt sources. IPRÐC is shown in Figure 4-1 and IPRÐP is shown in Figure 4-2.
11 10
IDL2 IDL1
23 22
D5L1 D5L0 D4L1

Figure 4-1 Interrupt Priority Register C (IPR-C) (X:$FFFFFF)

11 10 9
T0L1
22
23 21

Figure 4-2 Interrupt Priority Register P (IPR-P) (X:$FFFFFE)

MOTOROLA
9 7 6
8
IDL0 ICL2 ICL1 ICL0
21 20 19 18
D4L0 D3L1 D3L0
7 6
8
T0L0 SCL1 SCL0 S1L1
20 19 18 17
DSP56309UM/D
Interrupt Sources and Priorities
5 4 3 2
IBL2 IBL1 IBL0 IAL2
17 16 15 14
D2L1 D2L0 D1L1 D1L0
5 4 3 2
S1L0 S0L1 S0L0
16 15 14
Core Configuration
1 0
IAL1 IAL0
IRQA IPL
IRQA mode
IRQB IPL
IRQB mode
IRQC IPL
IRQC mode
IRQD IPL
IRQD mode
13 12
D0L1 D0L0
DMA0 IPL
DMA1 IPL
DMA2 IPL
DMA3 IPL
DMA4 IPL
DMA5 IPL
1 0
HPL1 HPL0
HI08 IPL
ESSI0 IPL
ESSI1 IPL
SCI IPL
TRIPLE TIMER IPL
reserved
13 12
reserved
4-13