Figure 195. Counter Timing Diagram With Prescaler Division Change From 1 To 2; Figure 196. Counter Timing Diagram With Prescaler Division Change From 1 To 4 - ST STM32F412 Reference Manual

Basic timers (TIM6/7)

Figure 195. Counter timing diagram with prescaler division change from 1 to 2

Timerclock = CK_CNT
Counter register
Update event (UEV)
Prescaler control register
Prescaler buffer
Prescaler counter

Figure 196. Counter timing diagram with prescaler division change from 1 to 4

Timerclock = CK_CNT
Update event (UEV)
Prescaler control register
Prescaler counter
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CK_PSC
CEN
F7
Write a new value in TIMx_PSC
CK_PSC
CEN
Counter register
Write a new value in TIMx_PSC
Prescaler buffer
F8 F9 FA FB FC
0
0
0
F7 F8 F9 FA FB
0
0
0
RM0402 Rev 6
01
00
1
1
0 1 0
1 0
FC 00
3
3
0 1 2 3 0
RM0402
02 03
1 1
0
MS31076V2
01
1 2 3
MS31077V2