Section 3.11 – Texas Instruments TMS320DM644x User Manual

Page 32

Advertising
background image

www.ti.com

3.11

GPIO Clear Falling Edge Interrupt Register (CLR_FAL_TRIGn)

Registers

The GPIO clear falling edge interrupt register (CLR_FAL_TRIGn) disables a falling edge on the GPIO pin
from generating a GPIO interrupt. The GPIO clear falling edge interrupt register (CLR_FAL_TRIG01) is
shown in

Figure 28

, CLR_FAL_TRIG23 is shown in

Figure 29

, CLR_FAL_TRIG4 is shown in

Figure 30

,

and described in

Table 15

. See

Table 1

to determine the CLR_FAL_TRIGn bit associated with each GPIO

bank and pin number.

Figure 28. GPIO Banks 0 and 1 Clear Falling Edge Interrupt Register (CLR_FAL_TRIG01)

31

30

29

28

27

26

25

24

CLRFAL31

CLRFAL30

CLRFAL29

CLRFAL28

CLRFAL27

CLRFAL26

CLRFAL25

CLRFAL24

R/W-0

R/W-0

R/W-0

R/W-0

R/W-0

R/W-0

R/W-0

R/W-0

23

22

21

20

19

18

17

16

CLRFAL23

CLRFAL22

CLRFAL21

CLRFAL20

CLRFAL19

CLRFAL18

CLRFAL17

CLRFAL16

R/W-0

R/W-0

R/W-0

R/W-0

R/W-0

R/W-0

R/W-0

R/W-0

15

14

13

12

11

10

9

8

CLRFAL15

CLRFAL14

CLRFAL13

CLRFAL12

CLRFAL11

CLRFAL10

CLRFAL9

CLRFAL8

R/W-0

R/W-0

R/W-0

R/W-0

R/W-0

R/W-0

R/W-0

R/W-0

7

6

5

4

3

2

1

0

CLRFAL7

CLRFAL6

CLRFAL5

CLRFAL4

CLRFAL3

CLRFAL2

CLRFAL1

CLRFAL0

R/W-0

R/W-0

R/W-0

R/W-0

R/W-0

R/W-0

R/W-0

R/W-0

LEGEND: R/W = Read/Write; -n = value after reset

Figure 29. GPIO Banks 2 and 3 Clear Falling Edge Interrupt Register (CLR_FAL_TRIG23)

31

30

29

28

27

26

25

24

CLRFAL63

CLRFAL62

CLRFAL61

CLRFAL60

CLRFAL59

CLRFAL58

CLRFAL57

CLRFAL56

R/W-0

R/W-0

R/W-0

R/W-0

R/W-0

R/W-0

R/W-0

R/W-0

23

22

21

20

19

18

17

16

CLRFAL55

CLRFAL54

CLRFAL53

CLRFAL52

CLRFAL51

CLRFAL50

CLRFAL49

CLRFAL48

R/W-0

R/W-0

R/W-0

R/W-0

R/W-0

R/W-0

R/W-0

R/W-0

15

14

13

12

11

10

9

8

CLRFAL47

CLRFAL46

CLRFAL45

CLRFAL44

CLRFAL43

CLRFAL42

CLRFAL41

CLRFAL40

R/W-0

R/W-0

R/W-0

R/W-0

R/W-0

R/W-0

R/W-0

R/W-0

7

6

5

4

3

2

1

0

CLRFAL39

CLRFAL38

CLRFAL37

CLRFAL36

CLRFAL35

CLRFAL34

CLRFAL33

CLRFAL32

R/W-0

R/W-0

R/W-0

R/W-0

R/W-0

R/W-0

R/W-0

R/W-0

LEGEND: R/W = Read/Write; -n = value after reset

32

General-Purpose Input/Output (GPIO)

SPRUE25 – December 2005

Advertising