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https://e2e.ti.com/support/interface-group/interface/f/interface-forum/762713/tca8418-what-is-the-proper-startup-procedure-for-the-tca8418-to-recognize-keys-held-before-power-up
在为器件供电之前、用户应按住几个键。
TCA8418是否可以在开始执行时拾取这些保留的密钥并生成中断？
我已经尝试过各种初始化序列、但我看不到捕获已按键的可能性。
嘿、John、
遗憾的是、TCA8418在器件通电并进行初始化之前无法存储任何数据。 因此、之前按下的任何按键都不会被记录。
抱歉、
-Bobby
