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https://e2e.ti.com/support/power-management-group/power-management/f/power-management-forum/1518423/tps3435-inputs-pins-pull-up-pull-down-resistors
工具/软件：
输入端是否有上拉或下拉电阻？ [MR、WDI、WD-EN、SET0/1]
尊敬的 Ariel：
MR 在 VDD 上有一个100k Ω 上拉。
WDI、WD-EN 和 SET0/1悬空、必须从外部驱动。
谢谢、 Joshua
