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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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STM32F101C4 датащи(PDF) 60 Page - STMicroelectronics |
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STM32F101C4 датащи(HTML) 60 Page - STMicroelectronics |
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60 / 87 page  Electrical characteristics STM32F101x4, STM32F101x6 60/87 DocID15058 Rev 6 5.3.15 TIM timer characteristics The parameters given in Table 37 are guaranteed by design. Refer to Section 5.3.12: I/O current injection characteristics for details on the input/output alternate function characteristics (output compare, input capture, external clock, PWM output). 5.3.16 Communications interfaces I2C interface characteristics The STM32F101xx Low-density access line I2C interface meets the requirements of the standard I2C communication protocol with the following restrictions: the I/O pins SDA and SCL are mapped to are not “true” open-drain. When configured as open-drain, the PMOS connected between the I/O pin and VDD is disabled, but is still present. The I2C characteristics are described in Table 38. Refer also to Section 5.3.12: I/O current injection characteristics for more details on the input/output alternate function characteristics (SDA and SCL). Table 37. TIMx(1) characteristics 1. TIMx is used as a general term to refer to the TIM2, TIM3 and TIM4 timers. Symbol Parameter Conditions Min Max Unit tres(TIM) Timer resolution time -1 - tTIMxCLK fTIMxCLK = 36 MHz 27.8 - ns fEXT Timer external clock frequency on CH1 to CH4 0fTIMxCLK/2 MHz fTIMxCLK = 36 MHz 0 18 MHz ResTIM Timer resolution - - 16 bit tCOUNTER 16-bit counter clock period when internal clock is selected - 1 65536 tTIMxCLK fTIMxCLK = 36 MHz 0.0278 1820 µs tMAX_COUNT Maximum possible count - - 65536 × 65536 tTIMxCLK fTIMxCLK = 36 MHz - 119.2 s |
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