TI工程师你们好:
1.像bq24259芯片的PSEL引脚可以识别是USB主机还是适配器,另一芯片bq24295的D+和D-同样可以识别,这两种方式的区别在什么地方?如何选择用哪种方式?
2.bq24259芯片的PSEL引脚是要连接到PHY的,这个PHY指的是USB PHY吧,但如何连接?
3.若只需要USB HOST或适配器充电,但不需要USB通信的场景,用哪种方式识别较好呢?
请尽快答复,感谢!
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