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STM32U535NET3QTR 数据表(PDF) 70 Page - STMicroelectronics |
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STM32U535NET3QTR 数据表(HTML) 70 Page - STMicroelectronics |
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70 / 278 page  Functional overview STM32U535xx 70/278 DS14217 Rev 1 3.36 Timers and watchdogs The devices include two advanced control timers, up to seven general-purpose timers, two basic timers, four low-power timers, two watchdog timers and two SysTick timers. The table below compares the features of the advanced control, general-purpose and basic timers. 3.36.1 Advanced-control timers (TIM1, TIM8) The advanced-control timers can each be seen as a three-phase PWM multiplexed on six channels. They have complementary PWM outputs with programmable inserted dead-times. They can also be seen as complete general-purpose timers. The four independent channels can be used for: • Input capture • Output compare • PWM generation (edge or center-aligned modes) with full modulation capability (0 - 100%) • One-pulse mode output In Debug mode, the advanced-control timer counter can be frozen and the PWM outputs disabled in order to turn off any power switches driven by these outputs. Many features are shared with the general-purpose TIMx timers (described in the next section) using the same architecture, so the advanced-control timers can work together with the TIMx timers via the Timer Link feature for synchronization or event chaining. Table 19. Timer feature comparison Timer type Timer Counter resolution Counter type Prescaler factor DMA request generation Capture/ compare channels Complementary outputs Advanced control TIM1, TIM8 16 bits Up, down, Up/down Any integer between 1 and 65536 Yes 4 3 General- purpose TIM2, TIM3, TIM4, TIM5 32 bits Up, down, Up/down Any integer between 1 and 65536 Yes 4 No General- purpose TIM15 16 bits Up Any integer between 1 and 65536 Yes 2 1 General- purpose TIM16, TIM17 16 bits Up Any integer between 1 and 65536 Yes 1 1 Basic TIM6, TIM7 16 bits Up Any integer between 1 and 65536 Yes 0 No |
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