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problem in interfacing sdr sdram(MT48LC16M16A2BG) with LPC3250 in 16bit

we configured sdr sdram as per LPC3250 .s file. and .s file configured for 32 bit sdr sdram and we configured it as 16 bit.
when we are writing data into sdr sdram it is writing data into that address location like shown below
address data
0x80000000 0x1111
0x80000002 0x2222
0x80000004 0x3333
0x80000006 0x4444
0x80000008 0x5555
0x8000000A 0x6666
0x8000000C 0x7777

when we are reading data from sdram, it is reading data from alternate location like below
address data
0x80000000 0x1111
0x80000002 0x1111
0x80000004 0x3333
0x80000006 0x3333
0x80000008 0x5555
0x8000000A 0x5555
0x8000000C 0x7777

and what is the problem

0