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https://e2e.ti.com/support/switches-multiplexers-group/switches-multiplexers/f/switches-multiplexers-forum/1254744/tmux1511-tmux1511pwr-current-required-on-selection-pin
我使用 TMUX1511PWR。 所有4个通道的选择引脚使用单个 GPIO。 它是首选吗？ 我正在将 STM32H743VIT6用作 MCU。 切换是否会有任何问题？
SELx 引脚是高阻抗 CMOS 输入、因此单个 GPIO 对于这些引脚而言足够强大。
