Basic timer (TIM6) RM0091
442/742 Doc ID 018940 Rev 1
Figure 182. Counter timing diagram with prescaler division change from 1 to 2
Figure 183. Counter timing diagram with prescaler division change from 1 to 4
CK_PSC
00
CNT_EN
Timer clock = CK_CNT
Counter register
Update event (UEV)
0
F9 FA FB FCF7
Prescaler control register
01
Write a new value in TIMx_PSC
01 02 03
Prescaler buffer
01
Prescaler counter
0
1 0 1 0 1 0 1
F8
CK_PSC
00
CNT_EN
Timer clock = CK_CNT
Counter register
Update event (UEV)
0
F9 FA FB FCF7
Prescaler control register
03
Write a new value in TIMx_PSC
Prescaler buffer
03
Prescaler counter
0
1 2 3 0 1 2 3
F8 01
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