CY7C1471BV33
CY7C1473BV33, CY7C1475BV33
Switching Waveforms (continued)
Figure 6 shows NOP, STALL and DESELECT Cycles waveform.[20, 21, 23]
Figure 6. NOP, STALL, and DESELECT Cycles
1 2 3 4
CLK
CEN
CE
ADV/LD
WE |
|
|
|
|
BW [A:D] |
|
|
|
|
ADDRESS | A1 | A2 |
| A3 |
DQ |
| D(A1) |
| Q(A2) |
COMMAND | WRITE | READ | STALL | READ |
| ||||
| D(A1) | Q(A2) |
| Q(A3) |
5 | 6 | 7 | 8 | 9 | 10 |
A4 |
|
| A5 |
|
|
|
|
|
| tCHZ |
|
Q(A3) |
| D(A4) |
| Q(A5) |
|
|
|
|
| tDOH |
|
WRITE | STALL | NOP | READ | DESELECT | CONTINUE |
D(A4) |
|
| 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 26 of 32 |
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