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LP5523: 无法通过I2C口往控制板写指令

Part Number: LP5523

以下是rs232转I2C转换器的指令写入方法    现在出现一个问题,使用串口调试助手,写入420020(设置时钟频率)返回AA(正确),写入4000(选择通道)返回AA(正确),但写入44644019(写入温度25℃)返回BB(错误),写入44640040(控制板使能)返回(BB)错误,注意,此时我的跳帽已放置左中位置,转换器的提供者已确认转换器正常,希望能解答出现该问题的原因