Cypress CY7C2561KV18 Manual do Utilizador descarregar pdf (Página 12)

PRELIMINARY

CY7C2561KV18, CY7C2576KV18

CY7C2563KV18, CY7C2565KV18

Document Number: 001-15887 Rev. *E Page 12 of 29

Table 6. Write Cycle Descriptions

The write cycle description table for CY7C2565KV18 follows.

[4, 12]

BWS

K K Comments

LLLLL–H–During the data portion of a write sequence, all four bytes (D

[35:0]

) are written into

the device.

LLLL–L–HDuring the data portion of a write sequence, all four bytes (D

[35:0]

) are written into

the device.

L H H H L–H – During the data portion of a write sequence, only the lower byte (D

[8:0]

) is written

into the device. D

[35:9]

remains unaltered.

L H H H – L–H During the data portion of a write sequence, only the lower byte (D

[8:0]

) is written

into the device. D

[35:9]

remains unaltered.

H L H H L–H – During the data portion of a write sequence, only the byte (D

[17:9]

) is written into

the device. D

[8:0]

and D

[35:18]

remains unaltered.

H L H H – L–H During the data portion of a write sequence, only the byte (D

[17:9]

) is written into

the device. D

[8:0]

and D

[35:18]

remains unaltered.

H H L H L–H – During the data portion of a write sequence, only the byte (D

[26:18]

) is written into

the device. D

[17:0]

and D

[35:27]

remains unaltered.

H H L H – L–H During the data portion of a write sequence, only the byte (D

[26:18]

) is written into

the device. D

[17:0]

and D

[35:27]

remains unaltered.

H H H L L–H – During the data portion of a write sequence, only the byte (D

[35:27]

) is written into

the device. D

[26:0]

remains unaltered.

H H H L – L–H During the data portion of a write sequence, only the byte (D

[35:27]

) is written into

the device. D

[26:0]

remains unaltered.

HHHHL–H–No data is written into the device during this portion of a write operation.

HHHH–L–HNo data is written into the device during this portion of a write operation.

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