NXP Semiconductors
KTFRDM34933EVBUG
FRDM-34933EVB evaluation board
KTFRDM34933EVBUG
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© NXP B.V. 2017. All rights reserved.
User guide
Rev. 1.0 — 15 March 2017
34 / 39
Micro-step size
[1]
I [% of I
MAX
]
Micro-step size
I [% of I
MAX
]
1/2
1/4
1/8
1/16
1/32
Angle
A
B
1/2
1/4
1/8
1/16
1/32
Angle
A
B
9
18
50.6
77.3
63.44
41
82
230.6
−77.3
−63.44
19
53.4
80.32
59.57
83
233.4
−80.32
−59.57
5
10
20
56.3
83.15
55.56
21
42
84
236.3
−83.15
−55.56
21
59.1
85.77
51.41
85
239.1
−85.77
−51.41
11
22
61.9
88.19
47.14
43
86
241.9
−88.19
−47.14
23
64.7
90.4
42.76
87
244.7
−90.4
−42.76
3
6
12
24
67.5
92.39
38.27
11
22
44
88
247.5
−92.39
−38.27
25
70.3
94.15
33.69
89
250.3
−94.15
−33.69
13
26
73.1
95.69
29.03
45
90
253.1
−95.69
−29.03
27
75.9
97
24.3
91
255.9
−97
−24.3
7
14
28
78.8
98.08
19.51
23
46
92
258.8
−98.08
−19.51
29
81.6
98.92
14.67
93
261.6
−98.92
−14.67
15
30
84.4
99.52
9.8
47
94
264.4
−99.52
−9.8
31
86.4
99.8
6.3
95
266.4
−99.8
−6.3
2
4
8
16
32
90
100
0.00
6
12
24
48
96
270
−100
0.00
33
92.8
99.88
−4.91
97
272.8
−99.88
4.91
17
34
95.6
99.52
−9.8
49
98
275.6
−99.52
9.8
35
98.4
98.92
−14.67
99
278.4
−98.92
14.67
9
18
36
101.3
98.08
−19.51
25
50
100
281.3
−98.08
19.51
37
104.1
97
−24.3
101
284.1
−97
24.3
19
38
106.9
95.69
−29.03
51
102
286.9
−95.69
29.03
39
109.7
94.15
−33.69
103
289.7
−94.15
33.69
5
10
20
40
112.5
92.39
−38.27
13
26
52
104
292.5
−92.39
38.27
41
115.3
90.4
−42.76
105
295.3
−90.4
42.76
21
42
118.1
88.19
−47.14
53
106
298.1
−88.19
47.14
43
120.9
85.77
−51.41
107
300.9
−85.77
51.41
11
22
44
123.8
83.15
−55.56
27
54
108
303.8
−83.15
55.56
45
126.6
80.32
−59.57
109
306.6
-80.32
59.57
23
46
129.4
77.3
−63.44
55
110
309.4
−77.3
63.44
47
132.2
74.1
−67.16
111
312.2
−74.1
67.16
3
6
12
24
48
135
70.71
−70.71
7
14
28
56
112
315
−70.71
70.71
49
137.8
67.16
−74.1
113
317.8
−67.16
74.1
25
50
140.6
63.44
−77.3
57
114
320.6
−63.44
77.3
51
143.4
59.57
−80.32
115
323.4
−59.57
80.32
13
26
52
146.3
55.56
−83.15
29
58
116
326.3
−55.56
83.15
53
149.1
51.41
−85.77
117
329.1
−51.41
85.77
27
54
151.9
47.14
−88.19
59
118
331.9
−47.14
88.19
55
154.7
42.76
−90.4
119
334.7
−42.76
90.4
7
14
28
56
157.5
38.27
−92.39
15
30
60
120
337.5
−38.27
92.39
57
160.3
33.69
−94.15
121
340.3
−33.69
94.15
29
58
163.1
29.03
−95.69
61
122
343.1
−29.03
95.69
59
165.9
24.3
−97
123
345.9
−24.3
97
15
30
60
168.8
19.51
−98.08
31
62
124
348.8
−19.51
98.08
61
171.6
14.67
−98.92
125
351.6
−14.67
98.92
31
62
174.4
9.8
−99.52
63
126
354.4
−9.8
99.52
63
176.4
6.3
−99.8
127
356.4
−6.3
99.8
4
8
16
32
64
180
0.00
−100
8
16
32
64
128
360
0.00
100
[1]
Shaded rows indicate one quarter step of the motor
The micro-stepping signal is generated using four timer channels (see
Figure 24
). Output
from logic analyzer in
Figure 25
shows the change of PWM duty with respect to the
