Cypress NoBL CY7C1355C User Manual download pdf (Page 10)

CY7C1355C

CY7C1357C

Document #: 38-05539 Rev. *E Page 10 of 28

NOP/WRITE ABORT (Begin Burst) None L H L L L L H X L L->H Tri-State

WRITE ABORT (Continue Burst) Next X X X L H X H X L L->H Tri-State

IGNORE CLOCK EDGE (Stall) Current X X X L X X X X H L->H –

SLEEP MODE None X X X H X X X X X X Tri-State

Partial Truth Table for Read/Write

[2, 3, 9]

Function (CY7C1355C) WE BW

Read H X X X X

Write No bytes written L H H H H

Write Byte A – (DQ

and DQP

)LLHHH

Write Byte B – (DQ

and DQP

)LHLHH

Write Byte C – (DQ

and DQP

)LHHLH

Write Byte D – (DQ

and DQP

)LHHHL

Write All Bytes L L L L L

Truth Table for Read/Write

[2, 3,9]

Function (CY7C1357C) WE BW

Read H X X

Write - No bytes written L H H

Write Byte A – (DQ

and DQP

)LHH

Write Byte B – (DQ

and DQP

)LHH

Write All Bytes L L L

Note:

9. Table only lists a partial listing of the byte write combinations. Any combination of BW

is valid. Appropriate write will be done based on which byte write is active.

Truth Table

[2, 3, 4, 5, 6, 7, 8]

Operation

Address

Used CE

ZZ ADV/LD WE BW

OE CEN CLK DQ

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