RM0440 Rev 4 1089/2126
RM0440 Advanced-control timers (TIM1/TIM8/TIM20)
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Table 252, Table 253 and Table 254 list the sources connected to the tim_brk and
tim_brk2inputs.
Table 251. Interconnect to the tim_etr input multiplexer
Timer external trigger
input signal
Timer external trigger signals assignment
TIM1 TIM8 TIM20
tim_etr0 TIM1_ETR TIM8_ETR TIM20_ETR
tim_etr1 comp1_out comp1_out comp1_out
tim_etr2 comp2_out comp2_out comp2_out
tim_etr3 comp3_out comp3_out comp3_out
tim_etr4 comp4_out comp4_out comp4_out
tim_etr5 comp5_out comp5_out comp5_out
tim_etr6 comp6_out comp6_out comp6_out
tim_etr7 comp7_out comp7_out comp7_out
tim_etr8 adc1_awd1 adc2_awd1 adc3_awd1
tim_etr9 adc1_awd2 adc2_awd2 adc3_awd2
tim_etr10 adc1_awd3 adc2_awd3 adc3_awd3
tim_etr11 adc4_awd1 adc3_awd1 adc5_awd1
tim_etr12 adc4_awd2 adc3_awd2 adc5_awd2
tim_etr13 adc4_awd3 adc3_awd3 adc5_awd3
tim_etr[14..15] Reserved
Table 252. Timer break interconnect
tim_brk inputs TIM1 TIM8 TIM20
TIM_BKIN TIM1_BKIN pin TIM8_BKIN pin TIM20_BKIN pin
tim_brk_cmp1 comp1_out comp1_out comp1_out
tim_brk_cmp2 comp2_out comp2_out comp2_out
tim_brk_cmp3 comp3_out comp3_out comp3_out
tim_brk_cmp4 comp4_out comp4_out comp4_out
tim_brk_cmp5 comp5_out comp5_out comp5_out
tim_brk_cmp6 comp6_out comp6_out comp6_out
tim_brk_cmp7 comp7_out comp7_out comp7_out
tim_brk_cmp8 Reserved