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用GR551x_SDK_V1.6.12例程里面的I2C,然后用逻辑分析仪抓数据,发现只发了地址没有发数据
如下图:
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Barton
你好,
1、这个是读取外部IIC模块的例程,请问是否有在相应IO上连接IIC器件呢(如adxl345)?
2、看波形,slave地址是全0,总线上没有ACK,这个地方也需要检查下;
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