ST STM32L0x3 - Figure 155. Counter Timing Diagram, Internal Clock Divided by 1

General-purpose timers (TIM21/22) RM0367
552/1043 RM0367 Rev 7
The following figures show some examples of the counter behavior for different clock
frequencies when TIMx_ARR=0x36.
Figure 155. Counter timing diagram, internal clock divided by 1
00
02
03
04 05
06 0732
33
34 35 36
31
MS31078V2
CK_PSC
CNT_EN
Timerclock = CK_CNT
Counter register
Update event (UEV)
Counter overflow
Update interrupt flag
(UIF)
01