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BQ40Z80通讯数据错乱,电压65535mV

BQ40Z80做成7串电池,srec烧录到V0.04版本,板子测试好后,接上电池再次测试发现通讯数据完全错乱,试着再次烧录srec文件提示不能进入ROM模式。连试几个板都出现同样问题。是不是芯片本身电源供电设计有问题?,供电不稳定导致数据丢失。有没解决方法。