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I want to use led with following connection and i remember that I've seen this application somewhere on the Internet:3V3 - LED - RESISTOR - STM32 PINI've seen the max total current output of MCU then is there any max total input current of MCU?
    // DMA RX 설정    __HAL_RCC_DMA1_CLK_ENABLE();  // DMA1 클럭 활성화    hdma_rx.Instance = DMA_USART1;    hdma_rx.Init.Request = DMA_REQUEST_USART1_RX;    hdma_rx.Init.Direction = DMA_PERIPH_TO_MEMORY;        hdma_rx.Init.PeriphInc = DMA_PINC_DISABLE;   ...
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