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G2553的I2C模块与PCF8563时钟芯片

1、无法收到总线的应答信号

  • 你好。简单浏览了一下代码,发现你使用的是GPIO模拟I2C。建议使用G2553片上自带的USCI模块。在www.ti.com/msp430中有关于G2xxx系列的I2C例程,包括Master和Slave。可以作为参考。