28F008C3 datasheet(48/59 Pages) INTEL

48 / 59 page

3 VOLT ADVANCED+ BOOT BLOCK

PRODUCT PREVIEW

C.3

BLOCK LOCK STATUS

The Block Lock Status indicates the locking settings of a block.

Table C4. Block Lock Status Register

Offset

Length

(bytes)

Description

x16 Device/Mode

(BA+2)h(1)

01h

Block Lock Status

BA+2:

(see Section 3.3)

NOTE:

1. BA = The beginning location of a Block Address (i.e., 008000h is the beginning location of block 1 in word mode.)

C.4

CFI QUERY IDENTIFICATION STRING

The Identification String provides verification that the component supports the Common Flash Interface

specification. Additionally, it indicates which version of the spec and which vendor

-specified command set(s)

is (are) supported.

Table C5. CFI Identification

Offset

Length

(Bytes)

Description

8-Mbit, 16-Mbit, 32-Mbit

10h

03h

Query

-Unique ASCII string “QRY“

10: 51

11: 52

12: 59

13h

02h

Primary Vendor Command Set and Control Interface

ID Code

-bit ID Code for Vendor-Specified Algorithms

13: 03

14: 00

15h

02h

Address for Primary Algorithm Extended Query

Table

Offset value =

P = 35h

15: 35

16: 00

17h

02h

Alternate Vendor Command Set and Control

Interface ID Code

Second Vendor

-Specified Algorithm Supported

Note: 0000h means none exists

17: 00

18: 00

19h

02h

Address for Secondary Algorithm Extended Query

Table

Note: 0000h means none exists

19: 00

1A: 00

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