2018-09-12 12:24 PM
To setup an STM32F303x ADC to trigger on a timer's UEV (update event), is the proper polarity for register ADC_CFGR:EXTEN[1:0] 01b? The timing diagrams suggest the initial UEV is "rising", but it isn't a pin--it's just an event. It seems a falling edge would work just as well.