W49F002U 查看數據表（PDF） - Winbond

零件编号

产品描述 (功能)

生产厂家

W49F002U

256K x 8 CMOS FLASH MEMORY

Winbond 

W49F002U

Command Codes for Boot Block Lockout Enable

BYTE SEQUENCE

ADDRESS

0 Write

5555H

1 Write

2AAAH

2 Write

5555H

3 Write

5555H

4 Write

2AAAH

5 Write

5555H

Pause TBP

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 TBP

Exit

Notes for boot block lockout enable:

Data Format: DQ7−DQ0 (Hex)

Address Format: A14−A0 (Hex)

DATA

AAH

55H

80H

AAH

55H

40H

- 11 -

Publication Release Date: April 2000

Revision A2

Share Link: