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LP5523EVM 使用I2C通讯,关于PWM功能寄存器写入的问题

Other Parts Discussed in Thread: LP5523EVM

LP5523EVM控制板因为客户需要上位机的控制权,所以最后只能选用I2C控制来实现。目前遇到问题是通过I2C写入16H到1EH的地址(PWM占空比)写不了值,但是其他的地址,包括reset,电流调节,功能设置都是可以写入。说明书上只是说明上电PWM有效,并且不支持串口总线地址自动叠加。