Cypress Semiconductor CY7C1354CV25 Manual do Utilizador descarregar pdf (Página 24)

CY7C1354CV25

CY7C1356CV25

Document Number: 38-05537 Rev. *M Page 24 of 33

Figure 6. NOP, STALL and DESELECT CYCLES

[29, 30, 31]

Switching Waveforms (continued)

READ

Q(A3)

45678910

CLK

CEN

BWX

ADV/LD

ADDRESS

A3 A4

D(A4)

Data

In-Out (DQ)

Q(A5)

WRITE

D(A4)

STALLWRITE

D(A1)

123

READ

Q(A2)

STALL NOP READ

Q(A5)

DESELECT CONTINUE

DESELECT

DON’T CARE UNDEFINED

CHZ

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

Notes

29. For this waveform ZZ is tied LOW.

30. When CE

is LOW, CE

is HIGH and CE

is LOW. When CE is HIGH, CE

is HIGH or CE

is LOW or CE

is HIGH.

31. The IGNORE CLOCK EDGE or STALL cycle (Clock 3) illustrated CEN

being used to create a pause. A write is not performed during this cycle.

1 2 ... 19 20 21 22 23 24 25 26 27 28 29 ... 32 33

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