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CY7C1471V25
CY7C1473V25
CY7C1475V25
Document #: 38-05287 Rev. *I Page 25 of 32
Figure 2 shows NOP, STALL and DESELECT Cycles waveform.
[19, 20, 22]
Figure 2. NOP, STALL and DESELECT Cycles
Switching Waveforms (continued)
READ
Q(A3)
456 78910
A3 A4
A5
D(A4)
123
CLK
CE
WE
CEN
BW
[A:D]
ADV/LD
ADDRESS
DQ
COMMAND
WRITE
D(A4)
STALLWRITE
D(A1)
READ
Q(A2)
STALL NOP READ
Q(A5)
DESELECT CONTINUE
DESELECT
DON’T CARE UNDEFINED
t
CHZ
A1 A2
Q(A2)D(A1) Q(A3)
t
DOH
Q(A5)
Note
22.The IGNORE CLOCK EDGE or STALL cycle (Clock 3) illustrates CEN
being used to create a pause. A write is not performed during this cycle.
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