STM32F407的串�?�3，对应的DMA通�?�和数�?��?

[Lyang.6]

STM32F407的串�?�3，对应的DMA通�?�和数�?��?是多少呢？是固定的�?�？

[Lyang.6]

STM32F407中的串�?�1�?2�?3.�?�以选择DMA1�?DMA2中的任�?一个�?�进行�?��?使用，通�?�的�?，如何规范使用呢？

特�?�请教

谢谢

[Mohamed Aymen HZAMI]

Hello @Lyang.6​,

I've translated your question using a translation tool to increase the chances of getting you a reply from our experts and community members, since the majority interact in English.  

Here is the translation of your post using Google translate:

"STM32F407 serial port 3, corresponding DMA channel and data stream

What is the corresponding DMA channel and data stream of serial port 3 of STM32F407? Is it fixed?

"

What do you mean by serial port 3 ?

For more details you ca refer to the datasheet

Mohamed Aymen.