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Interrupts – Texas Instruments TMS320VC5402 User Manual

Page 31

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TMS320VC5402

FIXEDĆPOINT DIGITAL SIGNAL PROCESSOR

SPRS079E – OCTOBER 1998 – REVISED AUGUST 2000

31

POST OFFICE BOX 1443

HOUSTON, TEXAS 77251–1443

interrupts

Vector-relative locations and priorities for all internal and external interrupts are shown in Table 13.

Table 13. Interrupt Locations and Priorities

NAME

LOCATION

DECIMAL HEX

PRIORITY

FUNCTION

RS, SINTR

0

00

1

Reset (hardware and software reset)

NMI, SINT16

4

04

2

Nonmaskable interrupt

SINT17

8

08

Software interrupt #17

SINT18

12

0C

Software interrupt #18

SINT19

16

10

Software interrupt #19

SINT20

20

14

Software interrupt #20

SINT21

24

18

Software interrupt #21

SINT22

28

1C

Software interrupt #22

SINT23

32

20

Software interrupt #23

SINT24

36

24

Software interrupt #24

SINT25

40

28

Software interrupt #25

SINT26

44

2C

Software interrupt #26

SINT27

48

30

Software interrupt #27

SINT28

52

34

Software interrupt #28

SINT29

56

38

Software interrupt #29

SINT30

60

3C

Software interrupt #30

INT0, SINT0

64

40

3

External user interrupt #0

INT1, SINT1

68

44

4

External user interrupt #1

INT2, SINT2

72

48

5

External user interrupt #2

TINT0, SINT3

76

4C

6

Timer0 interrupt

BRINT0, SINT4

80

50

7

McBSP #0 receive interrupt

BXINT0, SINT5

84

54

8

McBSP #0 transmit interrupt

Reserved(DMAC0), SINT6

88

58

9

Reserved (default) or DMA channel 0 inter-
rupt. The selection is made in the DMPREC
register.

TINT1(DMAC1), SINT7

92

5C

10

Timer1 interrupt (default) or DMA channel 1
interrupt. The selection is made in the
DMPREC register.

INT3, SINT8

96

60

11

External user interrupt #3

HPINT, SINT9

100

64

12

HPI interrupt

BRINT1(DMAC2), SINT10

104

68

13

McBSP #1 receive interrupt (default) or DMA
channel 2 interrupt. The selection is made in
the DMPREC register.

BXINT1(DMAC3), SINT11

108

6C

14

McBSP #1 transmit interrupt (default) or DMA
channel 3 interrupt. The selection is made in
the DMPREC register.

DMAC4,SINT12

112

70

15

DMA channel 4 interrupt

DMAC5,SINT13

116

74

16

DMA channel 5 interrupt

Reserved

120–127

78–7F

Reserved