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STM32G474 FOC ADC Reading

batuhanky
Associate II

Hello ST Community,

I am designing a FOC motor controller using STM32G4 and want to use 3 separate ADCs (ADC1, ADC2, ADC3) in injected mode for simultaneous 3-phase current sampling.

I know that some microcontrollers have triple-mode ADCs, which allow all three ADCs to start and finish simultaneously. My question is:
1. When TIM1_TRGO is triggered, do all three ADCs start converting simultaneously, or is there a sequential order (ADC1→ADC2→ADC3)?

2. What is the safest way to read an ADC for FOC algorithm?

I am very new to this field, so please excuse me.

Best regards

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