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cc3200 供电问题

Other Parts Discussed in Thread: CC3200, CC3220SF

VDD_ANA1 和 VDD_ANA2,按照数据手册的描述,都是内部电源,所以它们应该都是输出的!电源从VBAT_ANA引脚输入分别经过独立的电感,调整电压,输出到 VDD_ANA1和 VDD_ANA2。

但是,参照 CC3200 LaunchPad 的设计,VDD_ANA2连接到3.3v外部电源,或者可以连接到电池供电。这样 VDD_ANA2引脚就是作为电源输入了,这个就不理解了