S29GL01GS10DFIV13 datasheet(25/108 Pages) CYPRESS

25 / 108 page

Document Number: 001-98285 Rev. *R

Page 25 of 108

S29GL01GS/S29GL512S

S29GL256S/S29GL128S

Figure 5.2 Write Buffer Programming Operation with Data Polling Status

Notes:

1. DQ7 should be rechecked even if DQ5 = 1 because DQ7 may change simultaneously with DQ5.

2. If this flowchart location was reached because DQ5 = 1, then the device FAILED. If this flowchart location was reached because DQ1 = 1, then the Write Buffer

operation was ABORTED. In either case the proper RESET command must be written to the device to return the device to READ mode. Write-Buffer-Programming-

Abort-Rest if DQ1 = 1, either Software RESET or Write-Buffer-Programming-Abort-Reset if DQ5 = 1.

3. See

Table 7.1 onpage55 for the command sequence as required for Write Buffer Programming.

4. When Sector Address is specified, any address in the selected sector is acceptable. However, when loading Write-Buffer address locations with data, all addresses

MUST fall within the selected Write-Buffer Page.

Write “Write to Buffer”

command Sector Address

Write “Word Count”

to program - 1 (WC)

Sector Address

Write Starting Address/Data

WC = 0?

ABORT Write to

Buffer Operation?

Write to a different

Sector Address

Write to Buffer ABORTED.

Must write “Write-to-Buffer

ABORT RESET”

command sequence to

return to READ mode.

Write next Address/Data pair

WC = WC - 1

Write Program Buffer to Flash

Confirm, Sector Address

Read DQ7-DQ0 with

Addr = LAST LOADED ADDRESS

DQ7 = Data?

DQ5 = 1?

DQ1 = 1?

Read DQ7-DQ0 with

Addr = LAST LOADED ADDRESS

DQ7 = Data?

FAIL or ABORT

(Note 2)

PASS

Yes

(Note 4)

Yes

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