DS25BR120发送,DS25CP152中转,DS90CF324/326接收给液晶屏,低温下出现白屏。
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根据您的描述,首先DS25BR120和DS25CP152内部都已集成100ohm匹配电阻,所以外部不需要额外加终端匹配电阻,关于DS90CF324/326,由于TI网站上没有找到此款型号,还需确认是否也已集成100ohm电阻,然后用示波器测量每一部分LVDS眼图的Vswing是否满足LVDS的Spec。