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CDCI6214配置无法读写内部EEPROM

问题描述:  REFSEL和EEPROMSEL悬空可以写寄存器输出想要的时钟;

REFSEL和EEPROMSEL都通过4.7K电阻接地时,无法通过IIC读写内部EEPROM;

REFSEL通过4.7K电阻接地,EEPROMSEL通过FPGA管脚置0,可以通过IIC读写EEPROM,但前端输入的参考时钟(25M)未正常工作,无法输出波形。

麻烦分析下问题,如果要使用内部EEPROM,应该如何设置。。