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ADuCM320 MDIO transmits data

Question asked by GuoGary on Jun 23, 2016
Latest reply on Jul 1, 2016 by GuoGary

Hi ABuda

     Attachments is my test code about the ADuCM320 MDIO;

Frist,host writes an address;then,host reads multiply in READ Mode;

The data returned is 0x55AA for the frist time,that is not what i want;

The data of the second reading is what i want;

In my code,intialization data of MDTXD is 0x55AA;when host writes

address,gived new data to MDTXD,why MDIO returned is 0x55AA;