DocID031065 Rev 2

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STSPIN820

Functional description

29

Note:

The positive number means that the output current is flowing from OUTx1 to OUTx2, vice

versa the negative numbers mean that the current is flowing from OUTx2 to OUTx1.

Table 10. Example

1/2 step

1/4 step

1/8 step

VREF phase A VREF phase B

Sequencer value

1

1

1

0%

100%

0000000000 home state

-

-

2

19.509%

98.079%

0000100000

-

2

3

38.268%

92.388%

0001000000

-

-

4

55.557%

83.147%

0001100000

2

3

5

70.711%

70.711%

0010000000

-

-

6

83.147%

55.557%

0010100000

-

4

7

92.388%

38.268%

0011000000

-

-

8

98.079%

19.509%

0011100000

3

5

9

100%

0%

0100000000

-

-

10

98.079%

-19.509%

0100100000

-

6

11

92.388%

-38.268%

0101000000

-

-

12

83.147%

-55.557%

0101100000

4

7

13

70.711%

-70.711%

0110000000

-

-

14

55.557%

-83.147%

0110100000

-

8

15

38.268%

-92.388%

0111000000

-

-

16

19.509%

-98.079%

0111100000

5

9

17

0%

-100%

1000000000

-

-

18

-19.509%

-98.079%

1000100000

-

10

19

-38.268%

-92.388%

1001000000

-

-

20

-55.557%

-83.147%

1001100000

6

11

21

-70.711%

-70.711%

1010000000

-

-

22

-83.147%

-55.557%

1010100000

-

12

23

-92.388%

-38.268%

1011000000

-

-

24

-98.079%

-19.509%

1011100000

7

13

25

-100%

0%

1100000000

-

-

26

-98.079%

19.509%

1100100000

-

14

27

-92.388%

38.268%

1101000000

-

-

28

-83.147%

55.557%

1101100000

8

15

29

-70.711%

70.711%

1110000000

-

-

30

-55.557%

83.147%

1110100000

-

16

31

-38.268%

92.388%

1111000000

-

-

32

-19.509%

98.079%

1111100000