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LP876242Q1EVM: 外接IIC,无法实现通信

Part Number: LP876242Q1EVM

请问LP876242这个芯片默认初始化只能用IIC通信?我外接IIC,发送地址没有应答,LP876242Q1EVM设备地址是0X48吗?访问LP876242内部寄存器时,手册中只给了偏移地址,读写寄存器时直接用偏移地址就可以吗?