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L6470PD Folha de dados(PDF) 52 Page - STMicroelectronics

Nome de Peças L6470PD
Descrição Electrónicos  dSPIN fully integrated microstepping motor driver with motion engine and SPI
PDF  70 Pages
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Fabricante Electrônico  STMICROELECTRONICS [STMicroelectronics]
Página de início  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L6470PD Folha de dados(HTML) 52 Page - STMicroelectronics

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Programming manual
L6470
52/70
Doc ID16737 Rev 5
In the following tables all available PWM frequencies are listed according to oscillator
frequency, F_PWM_INT and F_PWM_DEC values (CONFIG register OSC_SEL parameter
must be correctly programmed).
Table 29.
PWM frequency: multiplication factor
F_PWM_DEC [2..0]
Multiplication factor
00
0
0.625
00
1
0.75
01
0
0.875
01
1
1
10
0
1.25
10
1
1.5
11
0
1.75
11
1
2
Table 30.
Available PWM frequencies [kHz]: 8-MHz oscillator frequency
F_PWM_DEC
F_PWM_
INT
000
001
010
011
100
101
110
111
000
9.8
11.7
13.7
15.6
19.5
23.4
27.3
31.3
001
4.9
5.9
6.8
7.8
9.8
11.7
13.7
15.6
010
3.3
3.9
4.6
5.2
6.5
7.8
9.1
10.4
011
2.4
2.9
3.4
3.9
4.9
5.9
6.8
7.8
100
2.0
2.3
2.7
3.1
3.9
4.7
5.5
6.3
101
1.6
2.0
2.3
2.6
3.3
3.9
4.6
5.2
110
1.4
1.7
2.0
2.2
2.8
3.3
3.9
4.5
Table 31.
Available PWM frequencies [kHz]: 16-MHz oscillator frequency
F_PWM_DEC
F_PWM_INT
000
001
010
011
100
101
110
111
000
19.5
23.4
27.3
31.3
39.1
46.9
54.7
62.5
001
9.8
11.7
13.7
15.6
19.5
23.4
27.3
31.3
010
6.5
7.8
9.1
10.4
13.0
15.6
18.2
20.8



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