Other Parts Discussed in Thread: TMUX6211,
网络信号和485信号能否使用该器件切分。
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网络信号建议使用专用芯片。 Protocol-specific switches & muxes product selection | TI.com
RS485电压( -7 ~12V)超出芯片应用范围,建议使用支持双电源供电的芯片(如TMUX6211)。