TI达人：
我使用MSP430G2553与BQ76930、BQ78350同时通讯，与BQ76930的硬件增加一个ISO1541D隔离，开机工作一段时间都是完好的，数据读写都正常，波形也无异常。但是工作5分钟之后，I2C总线上无波形再输出了，SCL为高电平3.3V，SDA为低电平，电压在0.6V左右。这时硬件复位MSP430G2553都无效！只有断掉系统电源才能恢复！这种问题是如何引起的？
期望各位的解答，谢谢！
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