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这个Ack好像都要100us这样才应答，是否正常，如果有问题的话，应该怎么解决？
还有这个iic通信的指令格式有点不太理解。有没有可以参考的资料分享，非常需要，请帮忙提供，谢谢！
您好，您的问题在E2E英文论坛已经回复，请参考下面链接的内容
https://e2e.ti.com/support/power-management-group/power-management/f/power-management-forum/1327339/bq27220-application-issues-of-chips
IIC的说明请参考下面文档
7120.I2C 协议.rar
