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https://e2e.ti.com/support/interface-group/interface/f/interface-forum/1161795/thvd1449v-1-8v-vio-vcc
您好！ 是否有任何 VCC&VIO=1.8V 的 RS485？
此致、Holger
1.8V 电源不足以生成 RS-485信号。
您好、Holger、
Clemens 正确-这不是因为1.8V 不足以提供符合 RS-485标准的信号。
最棒的
Parker Dodson
