在CC2640 4*4封装中的Pin 4为RX_TX口,这个pin脚改如何设计硬件部分?
该Pin脚的说明是”Optional bias pin for the RF LNA “,RF部分的可配置偏置 具体该如何使用?
CC2640 7*7封装中没有RX_TX口,因此在SensorTag的示例原理图中没有RX_TX的设置.
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