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不建议，这两个多功能配置channel 分别接在USB type C 的connector上。这些功能包括：connector polarity,
end-device connection detect, current capabilities, Power Delivery communication.
并且有些芯片数字输出引脚的逻辑状态来检测是哪个通道CC1 还是CC2被USB type C connector 拉低了。
