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请教下swrr079压缩包中CC85XX headset reference design 1_3_SCHEMATIC原理图中几个问题(CC8530)

Other Parts Discussed in Thread: CC8530, CC2590

1、CC8530的I2S AD0,AD1可配置为输入输出,准备将AD0,AD1设置为输出,分别接两路3254的两路I2S的DIN,是否可行?

2、原理图中CC2590的AVDD_BIAS,AVDD_LNA,AVDD_PA分别接了一个电感,这个电感是器件还是PCB走线?

3、音量增减和开关机按键,是高有效还是低有效?为什么开关机按键接到CSN,长时间按住会开关CC8530,即使power ON/OFF,也只是控制了CC8530,其他芯片还在工作,这个是不是真正意义的开关机