参考时钟输入为100MHz,设置4分频,但是DCLK无输出,还需要设置哪边的寄存器或者是管脚
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您好,输入时钟频率如果是100Mhz的话 ,需要DIV_EN, DIV_FRC enabled,并且Register 01h的DIV_REG = 3.都配置了吗?
SPI 参考的是DVDD,而DVDD 的电压范围为1.7V~1.9V,典型值为1.8V,所以SPI 为1.8V的呢。