Cypress CY7C1346H User Manual
Page 7
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CY7C1346H
Document #: 38-05672 Rev. *B
Page 7 of 16
WRITE Cycle,
Suspend Burst
Current
X
X
X
L
H
H
H
L
X
L-H
D
WRITE Cycle,
Suspend Burst
Current
H
X
X
L
X
H
H
L
X
L-H
D
Truth Table
(continued)
[2, 3, 4, 5, 6, 7]
Next Cycle
Add. Used
CE
1
CE
2
CE
3
ZZ
ADSP
ADSC
ADV
WRITE
OE
CLK
DQ
Truth Table for Read/Write
[2, 3]
Function
GW
BWE
BW
D
BW
C
BW
B
BW
A
Read
H
H
X
X
X
X
Read
H
L
H
H
H
H
Write Byte A – (DQ
A
and DQP
A
)
H
L
H
H
H
L
Write Byte B – (DQ
B
and DQP
B
)
H
L
H
H
L
H
Write Bytes B, A
H
L
H
H
L
L
Write Byte C – (DQ
C
and DQP
C
)
H
L
H
L
H
H
Write Bytes C, A
H
L
H
L
H
L
Write Bytes C, B
H
L
H
L
L
H
Write Bytes C, B, A
H
L
H
L
L
L
Write Byte D – (DQ
D
and DQP
D
)
H
L
L
H
H
H
Write Bytes D, A
H
L
L
H
H
L
Write Bytes D, B
H
L
L
H
L
H
Write Bytes D, B, A
H
L
L
H
L
L
Write Bytes D, C
H
L
L
L
H
H
Write Bytes D, C, A
H
L
L
L
H
L
Write Bytes D, C, B
H
L
L
L
L
H
Write All Bytes
H
L
L
L
L
L
Write All Bytes
L
X
X
X
X
X
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