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BQ40z60 SMBUS slave address

Other Parts Discussed in Thread: BQ40Z60

请问BQ40Z60与MCU通过SMBUS通信时,SLAVE ADDRESS如何设置?

  • 请参考如手册的如下表述:

    其中:0x00 ManufacturerAccess() and 0x44 AlternateManufacturerAccess() 

  • 谢谢您的回复!

    比如我想通过SMBUS命令0x3E 读取电池2的电压。根据SMBUS规范,应是一个起始位+7bit的从机地址+SMBUS命令0x3E,关键是我没有从文档中发现从机地址的有关说明。

    按照11.1.62的说明,写FLASH地址0x4000和0x4002两个单元,SMBUS块传输的报文也应该是:

           从机地址+命令0x44+0x00+0x40+d1_lb+d1_hb+d2_lb+d2_hb