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https://e2e.ti.com/support/interface-group/interface/f/interface-forum/974748/max3221-internal-pull-up
大家好、
引脚11 - DIN 内部是否有内部上拉电阻？
只是想确认一下
此致、
RJ
否；数据表的第8.3.2节指出"DIN 输入必须为高电平有效或低电平有效"。
