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i2s0 open失败

您好,

我同时初始化i2s0,is21,i2s2。但是在CSL_I2S_Open i2s0时,返回NULL,即打开失败。另外两路是OK的。我检查了一下,Serial Mode设置也是Mode1,Clock Gate也已经active,不知道为什么会出现open失败。

另外,我把i2s0换成i2s3,打开是成功的,证明DSP5515是可以同时打开三路i2s的。请帮助。