Cypress CY7C1354CV25 - Manual (Page 20)

CY7C1354CV25
CY7C1356CV25
Document #: 38-05537 Rev. *H Page 20 of 28
NOP, STALL and DESELECT CYCLES
[23, 24, 26]
Note:
26. The IGNORE CLOCK EDGE or STALL cycle (Clock 3) illustrated CEN being used to create a pause. A write is not performed during this cycle.
Switching Waveforms (continued)
READ
Q(A3)
4 5 6 7 8 9 10
CLK
CE
WE
CEN
BW
X
ADV/LD
ADDRESS A3 A4 A5
D(A4)
Data
In-Out (DQ)
A1
Q(A5)
WRITE
D(A4)
STALL WRITE
D(A1)
1 2 3
READ
Q(A2)
STALL NOP READ
Q(A5)
DESELECT CONTINUE
DESELECT
DON’T CARE UNDEFINED
t
CHZ
A2
D(A1) Q(A2) Q(A3)
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