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C6748芯片UART波特率问题



小弟正在调6748的串口,与上位机在波特率115200下使用正常。UART的输入频率为150M,想使用它完成与arm的通信,波特率能够达到2M吗?这么高的速率会不会带来别的问题,求高人指点。。。