25 pio peripheral b select register, 26 pio peripheral a b status register – Rainbow Electronics AT91CAP9S250A User Manual

Page 454

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454

6264A–CAP–21-May-07

AT91CAP9S500A/AT91CAP9S250A

32.6.25

PIO Peripheral B Select Register

Name:

PIO_BSR

Access Type:

Write-only

• P0-P31: Peripheral B Select.

0 = No effect.

1 = Assigns the I/O line to the peripheral B function.

32.6.26

PIO Peripheral A B Status Register

Name:

PIO_ABSR

Access Type:

Read-only

• P0-P31: Peripheral A B Status.

0 = The I/O line is assigned to the Peripheral A.

1 = The I/O line is assigned to the Peripheral B.

31

30

29

28

27

26

25

24

P31

P30

P29

P28

P27

P26

P25

P24

23

22

21

20

19

18

17

16

P23

P22

P21

P20

P19

P18

P17

P16

15

14

13

12

11

10

9

8

P15

P14

P13

P12

P11

P10

P9

P8

7

6

5

4

3

2

1

0

P7

P6

P5

P4

P3

P2

P1

P0

31

30

29

28

27

26

25

24

P31

P30

P29

P28

P27

P26

P25

P24

23

22

21

20

19

18

17

16

P23

P22

P21

P20

P19

P18

P17

P16

15

14

13

12

11

10

9

8

P15

P14

P13

P12

P11

P10

P9

P8

7

6

5

4

3

2

1

0

P7

P6

P5

P4

P3

P2

P1

P0

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