您好,
我们的项目需要用到很多片INA226,现有的设计计划安排1个I2C总线上挂4片INA226芯片,通过A0在板内进行寻址,同时配置拨码开关控制A1以寻求更多的总线扩展;如下图所示(SCL,SDA等均已连在一起):
调试中遇到问题,连接至VCC,GND,SCL的寻址均正常,但连接到SDA的寻址始终无法通信;想咨询下是否需要在软件或者硬件设计中进行相关的设计?
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