28F008C3 datasheet(17/59 Pages) INTEL

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3 VOLT ADVANCED+ BOOT BLOCK

PRODUCT PREVIEW

Table 6. Command Codes and Descriptions (Continued)

Code

Device Mode

Description

Lock-Down

If the previous command was a Configuration Set-Up command, the CUI will

latch the address and lock-down the block indicated on the address pins.

(Section 3.3)

Read

Query

Puts the device into the Read Query mode, so that reading the device will

output Common Flash Interface information. See Section 3.2.4 and Appendix C.

Protection

Program

Setup

This is a two-cycle command. The first cycle prepares the CUI for an program

operation to the Protection Register. The second cycle latches addresses and

data information and initiates the WSM to execute the Protection Program

algorithm to the Protection Register. The flash outputs status register data when

CE# or OE# is toggled. A Read Array command is required after programming

to read array data. See Section 3.4.

Alt. Prog Set-Up

Operates the same as Program Set

-up command. (See 40H/Program Set-Up)

Invalid/

Reserved

Unassigned commands that should not be used. Intel reserves the right to

redefine these codes for future functions.

NOTE:

See Appendix A for mode transition information.

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