EN29F08050S 查看數據表（PDF） - Eon Silicon Solution Inc.

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EN29F08050S

8 Megabit (1024K x 8-bit) Flash Memory

Eon Silicon Solution Inc. 

Flowchart 8. Sector Unprotect Flowchart

Protect all Blocks

EN29F080

Vcc = 5.0V± 5%

PLSCNT = 1

Set OE, A9 = VID

CE, A0 = VIL

RESET, A6, A1 = VIH

Activate WE pulse

Wait 100ms

WE = VIH, CE = VIH

OE = VIL, A9 = VID

Set up Block Address BA0

A0 =VIL, A1=A6 =VIH

CE = VIL

Read Data from Device

Increment PLSCNT

CE = V IH

Increment Block Address

CE = VIH

NO

DATA

NO

= 00h

YES

Block Addr =

BA7 ?

YES

Remove VID from A9

BLOCK UNPROTECT

COMPLETE

NO

PLSCNT =1000?

YES

FAIL

4800 Great America Parkway, Suite 202

21

Santa Clara, CA 95054

Tel: 408-235-8680

Fax: 408-235-8685

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