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DSP28335 McBSP和DMA

请问大家有没有使用McBSP的?它的英文名是multichannel buffer serial port, 是不是说明它可以当作一个高级串口使用,实现中断一次接收70个8bit的字节?

关于DMA,由于需要发送的数据比较大,大概80个字节,直接发不太现实,我想知道能不能实现用DMA通过串口发送这些数据,解放CPU……求指教~!