Cypress Semiconductor CY7C1386FV25 Manuel d'utilisateur télécharger pdf (Page 10)

CY7C1386DV25, CY7C1386FV25

CY7C1387DV25, CY7C1387FV25

Document Number: 38-05548 Rev. *E Page 10 of 30

Partial Truth Table for Read/Write

[5, 10]

Function (CY7C1386DV25/CY7C1386FV25) GW BWE BW

Read HHXXXX

Read HLHHHH

Write Byte A – (DQ

and DQP

) HLHHHL

Write Byte B – (DQ

and DQP

)HLHHLH

Write Bytes B, A H L H H L L

Write Byte C – (DQ

and DQP

) HLHLHH

Write Bytes C, A H L H L H L

Write Bytes C, B H L H L L H

Write Bytes C, B, A H L H L L L

Write Byte D – (DQ

and DQP

) HL LHHH

Write Bytes D, A H L L H H L

Write Bytes D, B H L L H L H

Write Bytes D, B, A H L L H L L

Write Bytes D, C H L L L H H

Write Bytes D, C, A H L L L H L

Write Bytes D, C, B HLLLLH

Write All Bytes HLLLLL

Write All Bytes LXXXXX

Truth Table for Read/Write

[5, 10]

Function (CY7C1387DV25/CY7C1387FV25) GW BWE BW

Read H H X X

Read H L H H

Write Byte A – (DQ

and DQP

)HLHL

Write Byte B – (DQ

and DQP

)HLLH

Write All Bytes H L L L

Write All Bytes L X X X

Note

10. 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.

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Cypress Semiconductor CY7C1386FV25 Manuel d'utilisateur Page 10

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