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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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ST10F276E датащи(PDF) 89 Page - STMicroelectronics |
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ST10F276E датащи(HTML) 89 Page - STMicroelectronics |
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89 / 235 page  ST10F276E PWM modules Doc ID 12303 Rev 3 89/235 11 PWM modules Two pulse width modulation modules are available on ST10F276E: standard PWM0 and XBUS PWM1. They can generate up to four PWM output signals each, using edge-aligned or centre-aligned PWM. In addition, the PWM modules can generate PWM burst signals and single shot outputs. Table 50 and Table 51 show the PWM frequencies for different resolutions. The level of the output signals is selectable and the PWM modules can generate interrupt requests. Figure 19. Block diagram of PWM module 1. User readable / writeable register Table 50. PWM unit frequencies and resolutions at 40 MHz CPU clock Mode CPU clock divided by Resolution 8-bit 10-bit 12-bit 14-bit 16-bit 0 1 25ns 156.25 kHz 39.1 kHz 9.77 kHz 2.44 Hz 610 Hz 64 1.6µs 2.44 kHz 610 Hz 152.6 Hz 38.15 Hz 9.54 Hz 1 1 25ns 78.12 kHz 19.53 kHz 4.88 kHz 1.22 kHz 305.2 Hz 64 1.6µs 1.22 kHz 305.17 Hz 76.29 Hz 19.07 Hz 4.77 Hz Table 51. PWM unit frequencies and resolutions at 64 MHz CPU clock Mode CPU clock divided by Resolution 8-bit 10-bit 12-bit 14-bit 16-bit 0 1 15.6ns 250 kHz 62.5 kHz 15.63 kHz 3.91 Hz 977 Hz 64 1.0µs 3.91 kHz 976.6 Hz 244.1Hz 61.01 Hz 15.26 Hz 1 1 15.6ns 125 kHz 31.25 kHz 7.81 kHz 1.95 kHz 488.3 Hz 64 1.0µs 1.95 kHz 488.28 Hz 122.07 Hz 30.52 Hz 7.63 Hz |
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