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tps65950与3g模块的音频接口怎么连接?

Other Parts Discussed in Thread: TPS65950, TLV320AIC3106

我们要实现用A8+TPS65650+3G模块实现一个手持机方案,要求能打电话。在方案中要涉及到音频的切换问题,3G模块对外的音频接口都是模拟的,这样无法直接与TPS65950相连,请问有没 有合理的解决方案。另外我注意到,TPS65950带有PCM接口,是否可以再加一个PCM的转换芯片再与3G模块相连,如果可以,请推荐一个这样的PCM芯片吧,多谢!