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请教下ti专家，bq27220和bq27z561两个方案对于iic通讯沟通两者有什么区别？程序代码搭建中时序是否需要修改？我们原来以bq27220为目标方案搭建了一个程序框架，后来设计变为bq27z561，目前同一批板子发现部分通讯异常。请辛苦解答下。感谢！
