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TPS3823: 看门狗WDI引脚,持续为高电平时,复位输出信号不变低

Part Number: TPS3823


各位大神们好,我自己做了一个实验来验证这颗芯片,在WDI看门狗输入持续为高电平时,复位输出并不会拉低,我观看数据手册也没有找到原因,是我操作有问题,还是这颗芯片设计就是只是在WDI喂狗不及时,持续为低时才复位呢?