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STM32L476 ADC trigger on SAI MCLK

Question asked by smith.brian.005 on Apr 12, 2016
Is it possible to connect the SAI MCLK signal such that it can be used as a clock into a timer which is counted down to provide an ADC trigger - or are there aliasing issues with the timer? I want an internal ADC to trigger at the same rate as the SAI output. Tried using MCLK as an external clock input to the timer (TIM2) divided down to produce TRGO to ADC, thus far without success.