Atmel SAM4S-XPLD Atmel ATSAM4S-XPLD ATSAM4S-XPLD Hoja De Datos

 806

SAM4S [DATASHEET]

11100E–ATARM–24-Jul-13

TC_QISR

0x400100D4 (0), 0x400140D4 (1)

Read-only 

0 = No Index input change since the last read of TC_QISR.

1 = The IDX input has changed since the last read of TC_QISR.

0 = No change on rotation direction since the last read of TC_QISR.

1 = The rotation direction changed since the last read of TC_QISR.

0 = No quadrature error since the last read of TC_QISR.

1 = A quadrature error occurred since the last read of TC_QISR.

Returns an image of the actual rotation direction.

31

30

29

28

27

26

25

24

–

–

–

–

–

–

–

–

23

22

21

20

19

18

17

16

–

–

–

–

–

–

–

–

15

14

13

12

11

10

9

8

–

–

–

–

–

–

–

DIR

7

6

5

4

3

2

1

0

–

–

–

–

–

QERR

DIRCHG

IDX