W49F102 Ver la hoja de datos (PDF) - Winbond

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W49F102

64K X 16 CMOS FLASH MEMORY

Winbond 

Command Codes for Boot Block Lockout Enable

BYTE SEQUENCE

1 Write

2 Write

3 Write

4 Write

5 Write

6 Write

BOOT BLOCK LOCKOUT FEATURE SET

ADDRESS

5555H

2AAAH

5555H

5555H

2AAAH

5555H

Pause 1 Sec.

DATA

AAH

55H

80H

AAH

55H

40H

Boot Block Lockout Enable Acquisition Flow

Boot Block Lockout

Feature Set Flow

Load data AA

to

address 5555

Load data 55

to

address 2AAA

Load data 80

to

address 5555

Load data AA

to

address 5555

Load data 55

to

address 2AAA

Load data 40

to

address 5555

Pause 1 Sec.

Exit

Notes for boot block lockout enable:

Data Format: DQ15-DQ8 Don't Care), DQ7−DQ0 (Hex)

Address Format: A14−A0 (Hex)

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W49F102

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