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C5509A中MCBSP可以配置成IIS从设备吗?

Other Parts Discussed in Thread: SPRC133

我用的是5509A中的MCBSP与codec中的IIS通信,原来MCBSP是配置成主设备,DSP和codec能正常通信,,现在将MCBSP配置成从设备了,DMA中断就进不去了,不能正常通信了,请各位大神帮帮我!!!我的联系方式:QQ1399657017,邮箱heise_pf@163.com