JS28F256P30T85 datasheet(77/102 Pages) INTEL

77 / 102 page

1-Gbit P30 Family

Datasheet

Intel StrataFlash® Embedded Memory (P30)

April 2005

Order Number: 306666, Revision: 001

14.3

CFI Query

The CFI Query command instructs the device to output Common Flash Interface (CFI) data when

read. See Section 9.2, “Device Commands” on page 50 for details on issuing the CFI Query

command. Appendix C, “Common Flash Interface” on page 93 shows CFI information and address

offsets within the CFI database.

Table 29.

Device Identifier Information

Item

Address(1)

Data

Manufacturer Code

0x00

0089h

Device ID Code

0x01

ID (see Table 30)

Block Lock Configuration:

BBA + 0x02

Lock Bit:

• Block Is Unlocked

DQ0 = 0b0

• Block Is Locked

DQ0 = 0b1

• Block Is not Locked-Down

DQ1 = 0b0

• Block Is Locked-Down

DQ1 = 0b1

Configuration Register

0x05

Configuration Register Data

Lock Register 0

0x80

PR-LK0

64-bit Factory-Programmed Protection Register

0x81–0x84

Factory Protection Register Data

64-bit User-Programmable Protection Register

0x85–0x88

User Protection Register Data

Lock Register 1

0x89

Protection Register Data

128-bit User-Programmable Protection Registers

0x8A–0x109

PR-LK1

Notes:

BBA = Block Base Address.

Table 30.

Device ID codes

ID Code Type

Device Density

Device Identifier Codes

–T

(Top Parameter)

–B

(Bottom Parameter)

Device Code

64-Mbit

8817

881A

128-Mbit

8818

881B

256-Mbit

8919

891C

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