S29GL01GP10FFIR12 datasheet(37/77 Pages) SPANSION

37 / 77 page

November 8, 2007 S29GL-P_00_A7

S29GL-P MirrorBit® Flash Family

Da ta

Shee t

(Prelim i nar y )

the status or valid data. Even if the device has completed the program or erase operation and DQ7 has valid

data, the data outputs on DQ6-DQ0 may be still invalid. Valid data on DQ7-D00 appears on successive read

cycles.

See the following for more information: Table 7.17, shows the outputs for Data# Polling on DQ7. Figure 7.4,

shows the Data# Polling algorithm; and Figure 11.7, shows the Data# Polling timing diagram.

Figure 7.4 Write Operation Status Flowchart

START

DQ7=valid

data?

YES

DQ5=1?

YES

Write Buffer

Programming?

YES

Device BUSY,

Re-Poll

DQ1=1?

YES

Read3 DQ1=1

AND DQ7 ?

Valid Data?

YES

(Note 4)

Write Buffer

Operation Failed

DQ6

toggling?

YES

TIMEOUT

(Note 1)

(Note 3)

Programming

Operation?

DQ6

toggling?

YES

DQ2

toggling?

YES

Erase

Operation

Complete

Device in

Erase/Suspend

Mode

Program

Operation

Failed

DEVICE

ERROR

Program

Operation

Complete

Read3= valid

data?

YES

Notes:

1) DQ6 is toggling if Read2 DQ6 does not equal Read3 DQ6.

2) DQ2 is toggling if Read2 DQ2 does not equal Read3 DQ2.

3) May be due to an attempt to program a 0 to 1. Use the RESET

command to exit operation.

4) Write buffer error if DQ1 of last read =1.

5) Invalid state, use RESET command to exit operation.

6) Valid data is the data that is intended to be programmed or all 1's for

an erase operation.

7) Data polling algorithm valid for all operations except advanced sector

protection.

Device BUSY,

Re-Poll

Device BUSY,

Re-Poll

Device BUSY,

Re-Poll

(Note 1)

(Note 2)

(Note 6)

(Note 5)

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