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STM32F415VG 数据表(PDF) 116 Page - STMicroelectronics |
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STM32F415VG 数据表(HTML) 116 Page - STMicroelectronics |
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116 / 186 page  Electrical characteristics STM32F415xx, STM32F417xx 116/186 DocID022063 Rev 4 Table 51. 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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