CY7C1215H

Truth Table for Read/Write[2, 3]

Function

GW

BWE

BWD

BWC

BWB

BWA

Continue Write

Next

L

H

X

X

X

Suspend Write

Current

L

X

X

X

H

Suspend Write

Current

L

H

X

X

X

ZZ “Sleep”

None

H

X

X

X

X

Read

H

H

X

X

X

X

Read

H

L

H

H

H

H

Write Byte A – DQA

H

L

H

H

H

L

Write Byte B – DQB

H

L

H

H

L

H

Write Bytes B, A

H

L

H

H

L

L

Write Byte C – DQC

H

L

H

L

H

H

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 – DQD

H

L

L

H

H

H

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

H

L

L

L

L

H

Write All Bytes

H

L

L

L

L

L

Write All Bytes

L

X

X

X

X

X

Document #: 38-05666 Rev. *B

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Cypress CY7C1215H manual Truth Table for Read/Write2, Function, BWE BW D BW C BW B BW a