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https://e2e.ti.com/support/interface-group/interface/f/interface-forum/628018/tca9555-the-pull-up-resistor-of-gpio
团队成员，您好！
当I/O配置为输入时，有一个内部上拉电阻，所以您是否要帮助我确认其值？
谢谢！
Antony
上拉电阻为100k欧姆(~+/- 20 %)。
Francis Houde
