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LM36923 问题请教

Other Parts Discussed in Thread: LM36923

在用LM36923时,PWM能够控制电流,但I2C一直无法控制电流,对器件进行写命令时,无应答。但此I2C程序控制其他I2C芯片是正常的。

具体操作如下:芯片上电IN=HWEN=3.6V,上电后默认控制模式Brightness Mode 11, 然后写入I2C命令(地址0x36). 通过分析仪发现芯片无应答。

想请教一下是否是我上电后操作不对导致的?