Summary

In this chapter, we explored the general-purpose timers (TIM) in the STM32F411 microcontroller, which are distinct from the SysTick timer and offer a variety of features crucial for embedded systems applications. We began by discussing the fundamental uses of timers, emphasizing their importance in tasks such as time interval measurement, delay generation, and event triggering.

We then learned about the specifics of STM32 timers, detailing their classification into general-purpose and advanced timers.

Next, we examined the workings of STM32 timers, focusing on key registers such as the counter register (TIMx_CNT), prescaler register (TIMx_PSC), and auto-reload register (TIMx_ARR). We explained how the timer’s clock prescaling mechanism reduces the system clock to a suitable frequency for the timer and how this affects the timer’s operation.

We also provided a practical example of computing UEV frequency, demonstrating how to calculate the period and frequency...