F49L040A 参数 Datasheet PDF下载

EFST

Table 5. F49L040A Auto-Select Command

Bus

Cycles

4

Manufacture ID

4

4

4

Device ID, Upper

boot

Sector Protect Verify

Notes :

1. The fourth cycle of the auto-select command sequence is a read cycle.

F49L040A

1

st

Bus

Cycle

Addr

555H

555H

555H

555H

555H

555H

Data

AAH

AAH

AAH

AAH

AAH

AAH

Command

2nd Bus

Cycle

Addr

2AAH

2AAH

2AAH

2AAH

2AAH

2AAH

3rd Bus

Cycle

Data

90H

90H

90H

90H

90H

90H

4th Bus

Cycle

Addr

X04H

X08H

X0CH

X00H

X01H

(SA)

x02H

Data

7FH

7FH

7FH

8CH

4FH

00H

01H

5th Bus

Cycle

Addr

-

-

-

-

-

-

Data

-

-

-

-

-

-

6th Bus

Cycle

Addr

-

-

-

-

-

-

Data

-

-

-

-

-

-

Data Addr

55H 555H

55H 555H

55H 555H

55H 555H

55H 555H

55H 555H

4

4

2.

For Sector Protect Verify operation: If read out data is 01H, it means the sector has been protected. If read

out data is 00H, it means the sector is still not being protected.

Elite Flash Storage Technology Inc.

Publication Date : Apr. 2005

Revision: 1.0

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