Figure 189. Center-Aligned Pwm Waveforms (Arr=8) - ST STM32F446 Series Reference Manual

General-purpose timers (TIM2 to TIM5)
TIMx_CR1 register is updated by hardware and must not be changed by software. Refer to
Center-aligned mode (up/down counting) on page
Figure 189
•
TIMx_ARR=8,
•
PWM mode is the PWM mode 1,
•
The flag is set when the counter counts down corresponding to the center-aligned
mode 1 selected for CMS=01 in TIMx_CR1 register.
Hints on using center-aligned mode:
•
When starting in center-aligned mode, the current up-down configuration is used. It
means that the counter counts up or down depending on the value written in the DIR bit
544/1328
shows some center-aligned PWM waveforms in an example where:

Figure 189. Center-aligned PWM waveforms (ARR=8)

RM0390 Rev 4
529.
RM0390