STM32F101xx, STM32F102xx, STM32F103xx, STM32F105xx and ...

RM0008
Basic timers (TIM6&TIM7)
Figure 149. Counter timing diagram, internal clock divided by 2
CK_INT
CNT_EN
Timer clock = CK_CNT
Counter register
0034 0035 0036 0000 0001 0002 0003
Counter overflow
Update event (UEV)
Update interrupt flag (UIF)
Figure 150. Counter timing diagram, internal clock divided by 4
CK_INT
CNT_EN
TImer clock = CK_CNT
Counter register
0035 0036
0000 0001
Counter overflow
Update event (UEV)
Update interrupt flag (UIF)
Figure 151. 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)
Doc ID 13902 Rev 9 379/995