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关于AFE4404初始化

Other Parts Discussed in Thread: AFE4404, AFE4404EVM

1、首先AFE4404寄存器默认使用外部时钟,CLK引脚是否必须要先接一个时钟,通过修改寄存器的值改为内部时钟,然后再停止外部时钟??

2、假如没有接外部时钟,4404寄存器的为初始值,能够通过IIC修改寄存器值?

3、通过IIC发送58H,但是没有返回ACK,电路是按照AFE4404EVM设计