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STM32WBA62CGF6 Datasheet(PDF) 58 Page - STMicroelectronics |
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STM32WBA62CGF6 Datasheet(HTML) 58 Page - STMicroelectronics |
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58 / 185 page  Functional overview STM32WBA6xxx 58/185 DS14736 Rev 1 • Encoder mode • Repetition counter • Up to two independent channels for: – Input capture – PWM generation (edge-aligned mode) – One-pulse mode output • Interrupt generation on ten events • DMA request generation on the following events: – Update event – Input capture 3.28.4 Infrared interface (IRTIM) An infrared interface (IRTIM) for remote control is available on the device. It can be used with an infrared LED to perform remote control functions. It uses internal connections with TIM16 and TIM17. 3.28.5 Independent watchdog (IWDG) The independent watchdog is based on a 12-bit downcounter and a 10-bit prescaler. It is clocked from the independent LSI and, as it operates independently from the main clock, it can operate in Stop and Standby modes. It can be used either as a watchdog to reset the device when a problem occurs, or as a free running timer for application timeout management. It is hardware or software enabled through the option bytes. The counter can be frozen in low-power and Debug mode. 3.28.6 Window watchdog (WWDG) The window watchdog is based on a 7-bit downcounter that can be set as free running. It can be used as a watchdog to reset the device when a problem occurs. It is clocked from the main clock. It has an early warning interrupt capability and the counter can be frozen in Debug mode. 3.28.7 SysTick timer The Cortex-M33 with TrustZone embeds two SysTick timers. When TrustZone is activated, two SysTick timer are available: • SysTick, secure instance • SysTick, nonsecure instance When TrustZone is disabled, only one SysTick timer is available. This timer (secure or nonsecure) is dedicated to real-time operating systems, but can also be used as a standard down counter. It features: • A 24-bit down counter • Autoreload capability • Maskable system interrupt generation when the counter reaches 0 • Programmable clock source |
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