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https://e2e.ti.com/support/interface-group/interface/f/interface-forum/618767/tca9555-about-setting-holding-function-at-power-interruption
您好， 能否告诉我有关TCA9555的信息？ 此设备是否具有在电源中断几秒钟时保持输入端口和输出端口设置的功能？
在短暂中断后重新启动时， 客户 担心数据会保留。 此致， Yusuke /日本Disty.
