CY7C1471V33
CY7C1473V33
CY7C1475V33
Switching Waveforms (continued)
Figure 2 shows NOP, STALL and DESELECT Cycles waveform.[20, 21, 23]
Figure 2. NOP, STALL and DESELECT Cycles
CLK
CEN
CE
ADV/LD
WE
BW [A:D]
ADDRESS
DQ
COMMAND
1 | 2 | 3 | 4 | 5 |
A1 
A2 
A3 
A4
| D(A1) | Q(A2) |
| Q(A3) |
WRITE | READ | STALL | READ | WRITE |
D(A1) | Q(A2) |
| Q(A3) | D(A4) |
6 | 7 | 8 | 9 | 10 |
A5
tCHZ
D(A4) 
Q(A5) 
|
|
| tDOH |
|
STALL | NOP | READ | DESELECT | CONTINUE |
|
| Q(A5) |
| DESELECT |
DON’T CARE | UNDEFINED |
Note
23. 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.
Document #: | Page 25 of 32 |
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