1 interrupt priority registers (iprc and iprp), Interrupt priority registers (iprc and iprp) -16, 1 interrupt priority registers (iprc and iprp) – Motorola DSP56301 User Manual
Page 90
Configuring Interrupts
4
-16
DSP56301 User’s Manual
4.4.1
Interrupt Priority Registers (IPRC and IPRP)
There are two interrupt priority registers in the DSP56301. The IPRC (Figure 4-3) is
dedicated to DSP56300 core interrupt sources, and IPRP (Figure 4-4) is dedicated to
DSP56301 peripheral interrupt sources.
Figure 4-4. Interrupt Priority Register-Peripherals (IPRP) (X:$FFFFFE)
Figure 4-3. Interrupt Priority Register-Core (IPRC) (X:$FFFFFF)
IAL0
IAL1
IAL2
IBL0
IBL1
IBL2
ICL0
ICL1
ICL2
0
1
2
3
4
5
6
7
8
9
10
11
IRQA IPL
IRQA mode
IRQB IPL
IRQB mode
IRQC IPL
IRQC mode
IRQD IPL
D0L0
D0L1
D1L0
D1L1
23
22
21
20
19
18
17
16
15
14
13
12
DMA0 IPL
DMA1 IPL
D2L0
D2L1
D3L0
D3L1
D4L0
D4L1
D5L0
D5L1
DMA2 IPL
DMA3 IPL
DMA4 IPL
DMA5 IPL
IDL2
IDL1 IDL0
IRQD mode
HPL0
HPL1
S0L0
S0L1
S1L0
S1L1
23
22
21
20
19
18
17
16
15
14
13
12
0
1
2
3
4
5
6
7
8
9
10
11
HI08 IPL
ESSI0 IPL
ESSI1 IPL
SCI IPL
TRIPLE TIMER IPL
T0L0
T0L1
SCL0
SCL1
reserved
reserved
Reserved bit; read as zero; should be written with zero for future compatibility