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STM32F405 데이터시트(PDF) 120 Page - STMicroelectronics |
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STM32F405 데이터시트(HTML) 120 Page - STMicroelectronics |
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120 / 204 page ![]() Electrical characteristics STM32F405xx, STM32F407xx 120/203 DS8626 Rev 9 5.3.18 TIM timer characteristics The parameters given in Table 52 and Table 53 are guaranteed by design. Refer to Section 5.3.16: I/O port characteristics for details on the input/output alternate function characteristics (output compare, input capture, external clock, PWM output). Table 52. Characteristics of TIMx connected to the APB1 domain(1) 1. TIMx is used as a general term to refer to the TIM2, TIM3, TIM4, TIM5, TIM6, TIM7, and TIM12 timers. Symbol Parameter Conditions Min Max Unit tres(TIM) Timer resolution time AHB/APB1 prescaler distinct from 1, fTIMxCLK = 84 MHz 1- tTIMxCLK 11.9 - ns AHB/APB1 prescaler = 1, fTIMxCLK = 42 MHz 1- tTIMxCLK 23.8 - ns fEXT Timer external clock frequency on CH1 to CH4 fTIMxCLK = 84 MHz APB1= 42 MHz 0fTIMxCLK/2 MHz 042 MHz ResTIM Timer resolution - 16/32 bit tCOUNTER 16-bit counter clock period when internal clock is selected 1 65536 tTIMxCLK 0.0119 780 µs 32-bit counter clock period when internal clock is selected 1- tTIMxCLK 0.0119 51130563 µs tMAX_COUNT Maximum possible count - 65536 × 65536 tTIMxCLK - 51.1 s |
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