28F008C3 Datasheet, PDF (17/59 Pages) Intel Corporation – 3 VOLT ADVANCED+ BOOT BLOCK 8-, 16-, 32-MBIT FLASH MEMORY FAMILY

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3 VOLT ADVANCED+ BOOT BLOCK
Table 6. Command Codes and Descriptions (Continued)
Code Device Mode
Description
2F
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)
98
Read
Puts the device into the Read Query mode, so that reading the device will
Query
output Common Flash Interface information. See Section 3.2.4 and Appendix C.
C0
Protection This is a two-cycle command. The first cycle prepares the CUI for an program
Program operation to the Protection Register. The second cycle latches addresses and
Setup
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.
10 Alt. Prog Set-Up Operates the same as Program Set-up command. (See 40H/Program Set-Up)
00
Invalid/
Unassigned commands that should not be used. Intel reserves the right to
Reserved redefine these codes for future functions.
NOTE:
See Appendix A for mode transition information.
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