Cypress NoBL CY7C1471V25 User Manual download pdf (Page 25)

CY7C1471V25

CY7C1473V25

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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

D(A4)

123

CLK

CEN

[A:D]

ADV/LD

ADDRESS

COMMAND

WRITE

D(A4)

STALLWRITE

D(A1)

READ

Q(A2)

STALL NOP READ

Q(A5)

DESELECT CONTINUE

DESELECT

DON’T CARE UNDEFINED

CHZ

A1 A2

Q(A2)D(A1) Q(A3)

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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Cypress NoBL CY7C1471V25 User Manual Page 25