S29GL01GS datasheet(30/104 Pages) SPANSION

30 / 104 page

GL-S MirrorBit® Family

S29GL_128S_01GS_00_06 March 16, 2012

Da ta

Sh e e t

Figure 5.3 Write Buffer Programming Operation with Status Register

Notes:

1. See Table 6.1, Command Definitions on page 57 for the command sequence as required for Write Buffer Programming.

2. 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 Status Register

DRB

SR[7] = 0?

WBASB

SR[3] = 1?

PSB

SR[4] = 0?

Program Fail

Program Successful

Yes

(Note 2)

Yes

Program aborted during

Write to Buffer command

SLSB

SR[1] = 0?

Yes

Sector Locked Error

Program Fail

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