M29DW324DT90N6T View Datasheet(PDF) - Numonyx -> Micron

Part Name

Description

MFG CO.

M29DW324DT90N6T

32 Mbit (4Mb x8 or 2Mb x16, Dual Bank 16:16, Boot Block) 3V Supply Flash Memory

Numonyx -> Micron 

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M29DW324DT, M29DW324DB

Figure 21. Programmer Equipment Chip Unprotect Flowchart

START

PROTECT ALL GROUPS

n=0

CURRENT GROUP = 0

A6, A12, A15 = VIH(1)

E, G, A9 = VID

Wait 4µs

W = VIL

Wait 10ms

W = VIH

E, G = VIH

ADDRESS = CURRENT GROUP ADDRESS

A0 = VIL, A1, A6 = VIH

E = VIL

Wait 4µs

G = VIL

Wait 60ns

Read DATA

INCREMENT

CURRENT GROUP

NO ++n

= 1000

YES

A9 = VIH

E, G = VIH

FAIL

NO DATA YES

=

00h

LAST NO

GROUP

YES

A9 = VIH

E, G = VIH

PASS

AI05575

Note: Block Protection Groups are shown in APPENDIX D., Tables 23 and 24.

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