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你好：在熟悉sprr326.zip原理图后文件有以下问题。1:TDA3LX的BOOT的下载方式是如何设置的,有无相关文档。 2.U8017的I2C扩展后的IO主要用于设置CPLD的哪些相关内容。不胜感激烦请解释多谢。
