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ST10F273E Datasheet(PDF) 63 Page - STMicroelectronics |
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ST10F273E Datasheet(HTML) 63 Page - STMicroelectronics |
63 / 179 page ![]() ST10F273E PWM modules 63/179 12 PWM modules Two pulse width modulation modules are available on ST10F273E: 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. The Table 39 and Table 40 show the PWM frequencies for different resolutions. The level of the output signals is selectable and the PWM modules can generate interrupt requests. Figure 10. Block diagram of PWM module Table 39. PWM unit frequencies and resolutions at 40 MHz CPU clock Mode 0 Resolution 8-bit 10-bit 12-bit 14-bit 16-bit CPU Clock/1 25ns 156.25 kHz 39.1 kHz 9.77 kHz 2.44Hz 610Hz CPU Clock/64 1.6 µs 2.44 kHz 610Hz 152.6Hz 38.15Hz 9.54Hz Mode 1 Resolution 8-bit 10-bit 12-bit 14-bit 16-bit CPUclock/1 25ns 78.12 kHz 19.53 kHz 4.88 kHz 1.22 kHz 305.2Hz CPU clock/64 1.6 µs 1.22 kHz 305.17Hz 76.29Hz 19.07Hz 4.77Hz Table 40. PWM unit frequencies and resolutions at 64 MHz CPU clock Mode 0 Resolution 8-bit 10-bit 12-bit 14-bit 16-bit CPU clock/1 15.6ns 250 kHz 62.5 kHz 15.63 kHz 3.91Hz 977Hz CPU clock/64 1.0 µs 3.91 kHz 976.6Hz 244.1Hz 61.01Hz 15.26Hz Mode 1 Resolution 8-bit 10-bit 12-bit 14-bit 16-bit CPU clock/1 15.6ns 125 kHz 31.25 kHz 7.81 kHz 1.95 kHz 488.3Hz CPU clock/64 1.0 µs 1.95 kHz 488.28Hz 122.07Hz 30.52Hz 7.63Hz PPx period register Comparator PTx 16-bit up/down counter Shadow register PWx pulse width register Input Run control Clock 1 Clock 2 Comparator * * * Up/down/ clear control Match Output control Match Write control * User readable / writeable register Enable POUTx |
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