ꢀ ꢁꢂ ꢃ ꢄꢅ ꢆꢇ ꢈꢉ ꢄꢅ
ꢊ ꢋꢌ ꢍꢎꢏꢐꢑ ꢋ ꢒꢀ ꢎꢋ ꢓꢋ ꢀꢔꢕ ꢂꢋ ꢓ ꢒꢔꢕ ꢐꢖ ꢑ ꢇꢍ ꢂ ꢂꢑ ꢖ
SPRS080F − MARCH 1999 − REVISED OCTOBER 2008
interrupts
Vector-relative locations and priorities for all internal and external interrupts are shown in Table 13.
Table 13. 5420 Interrupt Locations and Priorities for Each DSP Subsystem
LOCATION
NAME
RS, SINTR
PRIORITY
FUNCTION
DECIMAL
0
HEX
00
04
08
0C
10
14
18
1C
20
24
28
2C
30
34
38
3C
40
44
48
4C
50
54
1
2
Reset (Hardware and Software Reset)
Nonmaskable Interrupt
Software Interrupt #17
Software Interrupt #18
Software Interrupt #19
Software Interrupt #20
Software Interrupt #21
Software Interrupt #22
Software Interrupt #23
Software Interrupt #24
Software Interrupt #25
Software Interrupt #26
Software Interrupt #27
Software Interrupt #28
Software Interrupt #29
Software Interrupt #30
External User Interrupt #0
External User Interrupt #1
Reserved
NMI, SINT16
SINT17
4
8
—
—
—
—
—
—
—
—
—
—
—
—
—
—
3
SINT18
12
16
20
24
28
32
36
40
44
48
52
56
60
64
68
72
76
80
84
SINT19
SINT20
SINT21
SINT22
SINT23
SINT24
SINT25
SINT26
SINT27
SINT28
SINT29
SINT30
INT0, SINT0
INT1, SINT1
INT2, SINT2
TINT, SINT3
BRINT0, SINT4
BXINT0, SINT5
4
5
6
External Timer Interrupt
McBSP #0 Receive Interrupt
McBSP #0 Transmit Interrupt
7
8
McBSP #2 Receive Interrupt (default) or DMA
Channel 0 interrupt. The selection is made in
the DMPREC register.
BRINT2 (DMAC0),
SINT6
88
92
58
9
McBSP #2 Receive Interrupt (default) or DMA
Channel 1 interrupt. The selection is made in
the DMPREC register.
BXINT2 (DMAC1),
SINT7
5C
10
INT3, SINT8
96
60
64
11
12
Reserved
HPINT, SINT9
100
HPI Interrupt (from DSPINT in HPIC)
McBSP #1 Receive Interrupt (default) or DMA
Channel 2 interrupt. The selection is made in
the DMPREC register.
BRINT1 (DMAC2),
SINT10
104
108
68
13
14
McBSP #1 transmit Interrupt (default) or DMA
channel 3 interrupt. The selection is made in the
DMPREC register.
BXINT1 (DMAC3),
SINT11
6C
DMAC4, SINT12
DMAC5, SINT13
IPINT, SINT14
—
112
116
70
74
15
16
17
—
DMA Channel 4
DMA Channel 5
Interprocessor Interrupt
Reserved
120
78
124−127
7C−7F
37
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