GMS30C7201 Datasheet, PDF (96/352 Pages) Hynix Semiconductor – 60MHz operation frequency Low power consumption

Static Memory Interface
9.3.5 Byte lane write control
This controls nWEN[3:0] according to transfer width, BA[1:0] and the access sequencing.
Table 9-3: nWEN coding shows the basic coding assuming 32-bit external memory.
BSIZE[1:0]
10 (word)
01 (half word)
01 (half word)
00 (byte)
00 (byte)
00 (byte)
00 (byte)
BA[1:0] nWEN[3:0]
XX
0000
1X
0011
0X
1100
11
0111
10
1011
01
1101
00
1110
Table 9-3: nWEN coding
9-6
GMS30C7201 Data Sheet