RM0090: Reference manual - STMicroelectronics

RM0090 General-purpose timers (TIM2 to TIM5)
Figure 122. Counter timing diagram, internal clock divided by 1
CK_INT
CNT_EN
Timer clock = CK_CNT
Counter register
Counter overflow
Update event (UEV)
Update interrupt flag (UIF)
32 33 34 35 36 00 01 02 03 04 05 06 07
Figure 123. Counter timing diagram, internal clock divided by 2
CK_INT
CNT_EN
Timer clock = CK_CNT
Counter register
Counter overflow
Update event (UEV)
Update interrupt flag (UIF)
Figure 124. Counter timing diagram, internal clock divided by 4
CK_INT
CNT_EN
TImer clock = CK_CNT
Counter register
Counter overflow
Update event (UEV)
Update interrupt flag (UIF)
31
0034 0035 0036 0000 0001 0002 0003
0035 0036
0000 0001
Doc ID 018909 Rev 3 422/1416