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LP87745-Q1: 无法成功解锁寄存器

Part Number: LP87745-Q1

向REGISTER_LOCK寄存器 (Offset = Ah)写入0x9B,用于解锁寄存器的写入权限,再回读此寄存器的值仍为0x01,即Registers are locked这样导致我无法写寄存器,烦请帮忙看一下这个问题。