S29GL01GP10FFIR12 datasheet(31/77 Pages) SPANSION

31 / 77 page

November 8, 2007 S29GL-P_00_A7

S29GL-P MirrorBit® Flash Family

Da ta

Shee t

(Prelim i nar y )

Figure 7.3 Sector Erase Operation

Notes

1. See Table 12.1 on page 68 for erase command sequence.

2. See DQ3: Sector Erase Timeout State Indicator on page 39 for information on the sector erase timeout.

Write Unlock Cycles:

Address 555h, Data AAh

Address 2AAh, Data 55h

Write Sector Erase Cycles:

Address 555h, Data 80h

Address 555h, Data AAh

Address 2AAh, Data 55h

Sector Address, Data 30h

Write Additional

Sector Addresses

FAIL. Write reset command

to return to reading array.

PASS. Device returns

to reading array.

Perform Write Operation

Status Algorithm

Select

Additional

Sectors?

Unlock Cycle 1

Unlock Cycle 2

Yes

Last Sector

Selected?

Done?

DQ5 = 1?

Command Cycle 1

Command Cycle 2

Command Cycle 3

Specify first sector for erasure

Error condition (Exceeded Timing Limits)

Status may be obtained by reading DQ7, DQ6 and/or DQ2.

Poll DQ3.

DQ3 = 1?

• Each additional cycle must be written within tSEA timeout

• The host system may monitor DQ3 or wait tSEA to ensure

acceptance of erase commands

• No limit on number of sectors

• Commands other than Erase Suspend or selecting additional

sectors for erasure during timeout reset device to reading array

data

(see Figure 7.4)

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