ST STM32G471

Advanced-control timers (TIM1/TIM8/TIM20) RM0440
1092/2126 RM0440 Rev 4
Figure 270. Counter timing diagram with prescaler division change from 1 to 2
Figure 271. Counter timing diagram with prescaler division change from 1 to 4
MSv50998V1
tim_psc_ck
00
CEN
Counter register
Update event (UEV)
0
Prescaler control register
1
0
Write a new value in TIMx_PSC
Prescaler buffer
1
0
Prescaler counter
0
10
10
1
0
1
01
02
03
FA
FBF7 F8 F9 FC
tim_cnt_ck
MSv50999V1
0
3
0
0
1230123
tim_psc_ck
CEN
Counter register
Update event (UEV)
Prescaler control register
Write a new value in TIMx_PSC
Prescaler buffer
Prescaler counter
00
01
FA
FB
F7 F8 F9
FC
30
tim_cnt_ck