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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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STM32F103RCT6 датащи(PDF) 95 Page - STMicroelectronics |
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STM32F103RCT6 датащи(HTML) 95 Page - STMicroelectronics |
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95 / 143 page  DS5792 Rev 13 95/143 STM32F103xC, STM32F103xD, STM32F103xE Electrical characteristics 135 Figure 47. Recommended NRST pin protection 1. The reset network protects the device against parasitic resets. 2. The user must ensure that the level on the NRST pin can go below the VIL(NRST) max level specified in Table 49. Otherwise the reset will not be taken into account by the device. 5.3.16 TIM timer characteristics The parameters given in Table 50 are guaranteed by design. Refer to Section 5.3.14: I/O port characteristics for details on the input/output alternate function characteristics (output compare, input capture, external clock, PWM output). Table 50. TIMx(1) characteristics 1. TIMx is used as a general term to refer to the TIM1, TIM2, TIM3 and TIM4 timers. Symbol Parameter Conditions Min Max Unit tres(TIM) Timer resolution time -1 - tTIMxCLK fTIMxCLK = 72 MHz 13.9 - ns fEXT Timer external clock frequency on CH1 to CH4 -0 fTIMxCLK/2 MHz fTIMxCLK = 72 MHz 0 36 MHz ResTIM Timer resolution - - 16 bit tCOUNTER 16-bit counter clock period when internal clock is selected - 1 65536 tTIMxCLK fTIMxCLK = 72 MHz 0.0139 910 µs tMAX_COUNT Maximum possible count - - 65536 × 65536 tTIMxCLK fTIMxCLK = 72 MHz - 59.6 s |
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