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L9924L датащи(PDF) 73 Page - STMicroelectronics

номер детали L9924L
подробное описание детали  Automotive vehicle conform truck car alternator regulator IC with LIN
PDF  84 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
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L9924L датащи(HTML) 73 Page - STMicroelectronics

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L9924L
SPI interface
83
12.4.14
DFM PWM DUTY CYCLE register [0x05]
This register is used to configure DFM duty cycle [4.3.6].
The duty cycle resolution changes according to the frequency:
Example: at 275 Hz, to apply a 37% duty cycle the value to write is 168 thus obtaining an
effective duty cycle of 36.9%.
Table 55. DFM PWM DUTY CYCLE register [0x05]
Bit
Register name
Reset value
Description
13-10
Reserved
--
9-0
DFM_DC_PERC
0
Duty cycle value (see next table)
Table 56. Duty cycle resolution changes according to the frequency
Frequency
(Hz)
100% value
Resolution %
Frequency
(Hz)
100% value
Resolution %
100
625
1.6
275
455
2.19
125
500
2
300
833
1.2
150
417
2.39
325
770
1.29
175
357
2.8
350
715
1.39
200
625
1.6
375
668
1.49
225
555
1.8
400
625
1.6
250
500
2



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