continuos conversion mode in ad7195

Hi,

I can notread thead7195incontinuosmode.As describedon page 30of the data sheet, when the lineDOUT/RDYgoes low, I write the data0x58 on theDINline  (seefig.1), andafterI readthe datapresent on the lineDOUT/ DRY(seefig.2 -24bitdata). My problem isthatI canonly readthe last two bytesof the dataandnot threebytes.I can not understandwhere the problem is.

can you help me?

Best regards.

Renato