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如题，刚接触TI的方案，感觉这是和LT的方案不同点之一，请各位给解释下。学习了
comm是传输指令的，可以半双工工作
fault line是用来做故障判断的，只有从上往下一个方向传输。
LT没有FAULT line
谢谢你了，和我理解的差不多。
