8 / 18 page
CY7C1364C
Document #: 38-05689 Rev. *E
Page 8 of 18
Truth Table for Read/Write[3, 4]
Function
GW
BWE
BWD
BWC
BWB
BWA
Read
H
H
XXXX
Read
H
L
HHHH
Write Byte A – DQA
H
L
HHH
L
Write Byte B – DQB
HL
H
H
L
H
Write Bytes B, A
H
L
H
H
L
L
Write Byte C – DQC
HL
HL
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 – DQD
H
L
L
HHH
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
LLLL
H
Write All Bytes
H
LLLLL
Write All Bytes
L
XXXXX
[+] Feedback
[+] Feedback