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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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STM32L010K4 датащи(PDF) 75 Page - STMicroelectronics |
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STM32L010K4 датащи(HTML) 75 Page - STMicroelectronics |
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75 / 91 page  DS12323 Rev 3 75/91 STM32L010F4/K4 Electrical characteristics 81 Figure 24. Typical connection diagram using the ADC 1. Refer to Table 52: ADC characteristics for the values of RAIN, RADC and CADC. 2. Cparasitic represents the capacitance of the PCB (dependent on soldering and PCB layout quality) plus the pad capacitance (roughly 7 pF). A high Cparasitic value downgrades conversion accuracy. To remedy this, fADC must be reduced. 6.3.16 Timer characteristics TIM timer characteristics The parameters given in the Table 55 are guaranteed by design. Refer to Section 6.3.13: I/O port characteristics for details on the input/output alternate function characteristics (output compare, input capture, external clock, PWM output). MSv34712V1 VDDA AINx IL±50nA VT RAIN(1) Cparasitic VAIN VT RADC 12-bit converter CADC Sample and hold ADC converter Table 55. TIMx(1) characteristics Symbol Parameter Conditions Min Max Unit tres(TIM) Timer resolution time -1 - tTIMxCLK fTIMxCLK = 32 MHz 31.25 - ns fEXT Timer external clock frequency on CH1 to CH4 -0 fTIMxCLK/2 MHz fTIMxCLK = 32 MHz 0 16 MHz ResTIM Timer resolution - - 16 bit tCOUNTER 16-bit counter clock period when internal clock is selected (timer’s prescaler disabled) - 1 65536 tTIMxCLK fTIMxCLK = 32 MHz 0.0312 2048 µs tMAX_COUNT Maximum possible count - - 65536 × 65536 tTIMxCLK fTIMxCLK = 32 MHz - 134.2 s 1. TIMx is used as a general term to refer to the TIM2, TIM21 and TIM22 timers. |
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