EVAL6470H Datasheet, PDF (53/70 Pages) STMicroelectronics – dSPIN fully integrated microstepping motor driver with motion engine and SPI

L6470
Programming manual
Table 31. Available PWM frequencies [kHz]: 16-MHz oscillator frequency
F_PWM_DEC
F_PWM_INT
000
001
010
011
100
101
110
111
011
4.9
5.9
6.8
7.8
9.8
11.7
13.7
15.6
100
3.9
4.7
5.5
6.3
7.8
9.4
10.9
12.5
101
3.3
3.9
4.6
5.2
6.5
7.8
9.1
10.4
110
2.8
3.3
3.9
4.5
5.6
6.7
7.8
8.9
Table 32. Available PWM frequencies [kHz]: 24-MHz oscillator frequency
F_PWM_DEC
F_PWM_INT
000
001
010
011
100
101
110
111
000
29.3
35.2
41.0
46.9
58.6
70.3
82.0
93.8
001
14.6
17.6
20.5
23.4
29.3
35.2
41.0
46.9
010
9.8
11.7
13.7
15.6
19.5
23.4
27.3
31.3
011
7.3
8.8
10.3
11.7
14.6
17.6
20.5
23.4
100
5.9
7.0
8.2
9.4
11.7
14.1
16.4
18.8
101
4.9
5.9
6.8
7.8
9.8
11.7
13.7
15.6
110
4.2
5.0
5.9
6.7
8.4
10.0
11.7
13.4
Table 33. Available PWM frequencies [kHz]: 32-MHz oscillator frequency
F_PWM_DEC
F_PWM_
INT
000
001
010
011
100
101
110
000
39.1
46.9
54.7
62.5
78.1
93.8
109.4
001
19.5
23.4
27.3
31.3
39.1
46.9
54.7
010
13.0
15.6
18.2
20.8
26.0
31.3
36.5
011
9.8
11.7
13.7
15.6
19.5
23.4
27.3
100
7.8
9.4
10.9
12.5
15.6
18.8
21.9
101
6.5
7.8
9.1
10.4
13.0
15.6
18.2
110
5.6
6.7
7.8
8.9
11.2
13.4
15.6
111
125.0
62.5
41.7
31.3
25.0
20.8
17.9
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