RM0383 Datasheet, PDF (311/837 Pages) STMicroelectronics – This Reference manual targets application developers

RM0383
General-purpose timers (TIM2 to TIM5)
Figure 93. Counter timing diagram, internal clock divided by N
CK_INT
Timer clock = CK_CNT
Counter register 1F
20
00
Counter overflow
Update event (UEV)
Update interrupt flag (UIF)
Figure 94. Counter timing diagram, Update event when ARPE=0 (TIMx_ARR not
preloaded)
CK_INT
CNT_EN
Timer clock = CK_CNT
Counter register
31 32 33 34 35 36 00 01 02 03 04 05 06 07
Counter overflow
Update event (UEV)
Update interrupt flag (UIF)
Auto-reload register
FF
36
Write a new value in TIMx_ARR
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