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各位好,我在配置UCD9222芯片时遇到了问题,具体如下:
我通过Fusion软件生成I2C脚本,并把CPU的I2C与UCD9222的PMBUS连接(此时PMBUS_CNTRL)脚接上拉,然后通过I2C方式把此脚本中的数据依次写入UCD9222芯片中,I2C可以正常写入,但配置完成后,UCD9222 DPWM输出1.8V左右的固定电压,请问这是什么原因呢?
由于项目很急,麻烦各位多多指点,非常感谢!
