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CY7C1381B
CY7C1383B
Document #: 38-05196 Rev. **
Page 10 of 31
Write Cycle Description[1, 2, 3]
Function (CY7C1381B)
GW
BWE
BWdBWcBWbBWa
Read
1
1
XX
XX
Read
10
11
11
Write Byte 0 – DQa
1
01
11
0
Write Byte 1 – DQb
1
01
10
1
Write Bytes 1, 0
1
01
10
0
Write Byte 2 – DQc
1
01
01
1
Write Bytes 2, 0
1
01
01
0
Write Bytes 2, 1
1
01
00
1
Write Bytes 2, 1, 0
1
0
1
0
0
0
Write Byte 3 – DQd
1
00
11
1
Write Bytes 3, 0
1
00
11
0
Write Bytes 3, 1
1
00
10
1
Write Bytes 3, 1, 0
1
0
0
1
0
0
Write Bytes 3, 2
1
00
01
1
Write Bytes 3, 2, 0
1
0
0
0
1
0
Write Bytes 3, 2, 1
1
0
0
0
0
1
Write All Bytes
1
0
0
0
0
0
Write All Bytes
0
X
X
X
X
X
Function (CY7C1383B)
GW
BWE
BWbBWa
Read
1
1
X
X
Read
1
0
1
1
Write Byte 0 – DQa and DPa
1
0
1
0
Write Byte 1 – DQb and DPb
1
0
0
1
Write All Bytes
1
0
0
0
Write All Bytes
0
X
X
X