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RM0090: Reference manual - STMicroelectronics

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General-purpose timers (TIM2 to TIM5) <strong>RM0090</strong><br />

Figure 128. Counter timing diagram, internal clock divided by 1<br />

CK_INT<br />

CNT_EN<br />

Timer clock = CK_CNT<br />

Counter register<br />

Counter underflow (cnt_udf)<br />

Update event (UEV)<br />

Update interrupt flag (UIF)<br />

Figure 129. Counter timing diagram, internal clock divided by 2<br />

CK_INT<br />

CNT_EN<br />

Timer clock = CK_CNT<br />

Counter register<br />

Counter underflow<br />

Update event (UEV)<br />

Update interrupt flag (UIF)<br />

Figure 130. Counter timing diagram, internal clock divided by 4<br />

CK_INT<br />

CNT_EN<br />

Timer clock = CK_CNT<br />

Counter register<br />

Counter underflow<br />

Update event (UEV)<br />

Update interrupt flag (UIF)<br />

425/1416 Doc ID 018909 Rev 3<br />

05<br />

04 03 02 01 00 36 35 34 33 32 31 30 2F<br />

0002 0001 0000 0036 0035 0034 0033<br />

0001 0000<br />

0036 0035

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