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高速开关DS125MB203问题咨询

Other Parts Discussed in Thread: DS125MB203

项目中用到了高速开关DS125MB203芯片,芯片手册中描述RESET管脚为低电平时处于NORMAL状态,为高电平时处于Low power状态。芯片处于SMBUS slave 模式,通过I2C总线配置参数。但在实际使用中,发现芯片RESET为高电平时,传输的信号质量较好;反而RESET为低电平时,传输信号质量较差;与手册描述冲突。并且读取地址为0x0A的寄存器发现,RESET为高电平时,该寄存器值为0xFF;RESET为低电平时,该寄存器值为0x0F。请问一下这种情况是什么原因造成的?