參數資料
型號: L6470HTR
廠商: STMICROELECTRONICS
元件分類: 運動控制電子
英文描述: STEPPER MOTOR CONTROLLER, 7 A, PDSO28
封裝: ROHS COMPLIANT, HTSSOP-28
文件頁數: 43/64頁
文件大?。?/td> 814K
代理商: L6470HTR
Programming manual
L6470
48/64
Doc ID 16737 Rev 2
The F_PWM_DEC bits set the multiplication factor of PWM frequency generation.
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 28.
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
10
0
1.25
10
1
1.5
11
0
1.75
11
1
2
Table 29.
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
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