相关寄存器为默认,REG230的BIT4为0代表由TR_EN[X]引脚决定是否断开LNA的HPF连接,
但我的TR_EN为什么不起作用呢??如下图所示
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你好,这个寄存器位默认的就是0,我没有改写这个寄存器的任何位!都是采用的默认值