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如题，项目时钟方案没调出来，只用了一个备份的时钟芯片提供100M时钟给C6672的CORECLK官脚，能否通过PLL配置给DDR提供时钟而不使用DDRCLK管脚的时钟？
不行
DDR有自己专有的时钟输入脚
