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STM32H562II Datasheet(PDF) 46 Page - STMicroelectronics |
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STM32H562II Datasheet(HTML) 46 Page - STMicroelectronics |
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46 / 270 page  Functional overview STM32H562xx and STM32H563xx 46/270 DS14258 Rev 5 The PKA main features are: • ECDSA signature verification • Capability to handle operands up to 640 bits • AMBA AHB slave peripheral, accessible through 32-bit word single accesses only (otherwise an AHB bus error is generated, and write accesses are ignored) 3.33 Timers and watchdogs The devices include two advanced control timers, up to seven general-purpose timers, two basic timers, six low-power timers, two watchdog timers and two SysTick timers. Table 6 compares the features of the advanced control, general-purpose and basic timers. 3.33.1 Advanced-control timers (TIM1, TIM8) These timers can 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 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 6. Timer features 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 43 General purpose TIM2, TIM5 32 bits 4 No TIM3, TIM4 16 bits 4 No General purpose TIM12, TIM15 16 bits Up 21 TIM13, TIM14, TIM16, TIM17 11 Basic TIM6, TIM7 16 bits Up 0 No |
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