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STM32L151C6U6ADTR bảng dữ liệu(PDF) 88 Page - STMicroelectronics |
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STM32L151C6U6ADTR bảng dữ liệu(HTML) 88 Page - STMicroelectronics |
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88 / 130 page ![]() Electrical characteristics STM32L151x6/8/B-A STM32L152x6/8/B-A 88/130 DocID024330 Rev 5 Figure 20. Recommended NRST pin protection 1. The reset network protects the device against parasitic resets. 0.1 uF capacitor must be placed as close as possible to the chip. 2. The user must ensure that the level on the NRST pin can go below the VIL(NRST) max level specified in Table 46. Otherwise the reset will not be taken into account by the device. 6.3.15 TIM timer characteristics The parameters given in Table 47 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). Table 47. 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 = 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 |
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