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CDCM6208 接口问题

Other Parts Discussed in Thread: CDCM6208, DRV8711

最近设计一块C6678的板子,使用CDCM6208提供时钟,板子做好了才发现一个问题:CDCM6208的SPI等管脚(下图中红色框部分)接到了FPGA的1.8V的bank上了, 而我给CDCM6208提供的电源都是3.3V的。现在是不确定需要怎么修改电路,不知道将DVDD这部分电源改称成1.8V的是否可行,现在项目其他接口都已调通,就差这个时钟电路没完成,不知道最简单的修改方法是什么?