L6470HTR STMicroelectronics, L6470HTR Datasheet - Page 48

• Manufacturer Part Number: L6470HTR
• Description: IC STEPPER/DC MOTOR DVR 28HTSSOP
• Manufacturer: STMicroelectronics

Specifications of L6470HTR

• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-10812-2

Programming manual
48/64
The F_PWM_DEC bits set the multiplication factor of PWM frequency generation.
Table 28.
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
has to be correctly programmed).
Table 29.
F_PWM_
INT
000
001
010
011
100
101
110
0
0
0
0
1
1
1
1
PWM frequency: multiplication factor
Available PWM frequencies [kHz]: 8 MHz oscillator frequency
000
9.8
4.9
3.3
2.4
2.0
1.6
1.4
F_PWM_DEC [2..0]
11.7
001
5.9
3.9
2.9
2.3
2.0
1.7
0
0
1
1
0
0
1
1
Doc ID 16737 Rev 2
13.7
010
6.8
4.6
3.4
2.7
2.3
2.0
0
1
0
1
0
1
0
1
15.6
011
7.8
5.2
3.9
3.1
2.6
2.2
F_PWM_DEC
19.5
100
9.8
6.5
4.9
3.9
3.3
2.8
Multiplication factor
23.4
11.7
101
7.8
5.9
4.7
3.9
3.3
0.625
0.875
0.75
1.25
1.75
1.5
1
2
27.3
13.7
110
9.1
6.8
5.5
4.6
3.9
31.3
15.6
10.4
111
L6470
7.8
6.3
5.2
4.5