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L6470H データシート(PDF) 52 Page - STMicroelectronics |
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L6470H データシート(HTML) 52 Page - STMicroelectronics |
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52 / 70 page ![]() Programming manual L6470 52/70 Doc ID16737 Rev 4 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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