CY7C1471V25CY7C1473V25CY7C1475V25
Document #: 38-05287 Rev. *I Page 25 of 32
Figure2 shows NOP, STALL and DESELECT Cycles waveform.[19, 20, 22]
Figure 2. NOP, STALL and DESELECT Cycles
Switching Waveforms (continued)
READ
Q(A3)
45678910
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
tCHZ
A1 A2
Q(A2)D(A1) Q(A3)
tDOH
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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