SDRAM accessing odd only

e.g. when writing to locations 0-7 in a loop, the even values are replaced with the odd values above them.

data[0]=00000001
data[1]=00000001
data[2]=00000003
data[3]=00000003
data[4]=00000005
data[5]=00000005
data[6]=00000007
data[7]=00000007