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componentes Descripción

Fabricante

AS8F512K32

512K x 32 FLASH FLASH MEMORY ARRAY

Austin Semiconductor 

Austin Semiconductor, Inc.

FLASH

AS8F512K32

X = X+1

No

X = 1000

Yes

Sector-unprotect Failed

Flow Chart 2.

Sector Unprotect Algorithm

Start

Protect All Sectors

X=1

CE,OE,A9=VID

A6, A12, A16=VIH

Apply One

10 ms Pulse

CE, OE, A0 = VIL

A6, A1 = VIH

Select Sector Address

A18, A17, A16 = VIL

Read Data

No

Data = 00

Yes

No

Last Sector?

Yes

A9=VIH or VIL

Write Reset Command

End

Next Sector Address

AS8F512K32

Rev. 5.2 09/07

Austin Semiconductor, Inc. reserves the right to change products or specifications without notice.

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