RM0444 Rev 5 715/1390
RM0444 General-purpose timers (TIM14)
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24 General-purpose timers (TIM14)
24.1 TIM14 introduction
The TIM14 general-purpose timer consists of a 16-bit auto-reload counter driven by a
programmable prescaler.
It may be used for a variety of purposes, including measuring the pulse lengths of input
signals (input capture) or generating output waveforms (output compare, PWM).
Pulse lengths and waveform periods can be modulated from a few microseconds to several
milliseconds using the timer prescaler and the RCC clock controller prescalers.
The TIM14 timer is completely independent, and does not share any resources.
24.2 TIM14 main features
24.2.1 TIM14 main features
The features of general-purpose timer TIM14 include:
• 16-bit auto-reload upcounter
• 16-bit programmable prescaler used to divide the counter clock frequency by any factor
between 1 and 65536 (can be changed “on the fly”)
• independent channel for:
– Input capture
– Output compare
– PWM generation (edge-aligned mode)
– One-pulse mode output
• Interrupt generation on the following events:
– Update: counter overflow, counter initialization (by software)
– Input capture
– Output compare
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