When performing DMA transmission of the serial port, can DMA1 and DMA2 of stm32f4 transmit data at the same time? For example, if the data stream and channel corresponding to usart1 in DMA2 are turned
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[size=4]The TPS54331 device is a 28-V, 3-A nonsynchronous step-down converter with an integrated low RDS(on) high-side MOSFET. To improve efficiency at light loads, the pulse-skipping Eco-mode functio