MX29LV401T/B
mand through the command register without requiring
VID, as shown in table4.
To verify whether or not sector being protected, the sec-
tor address must appear on the appropriate highest or-
der address bit (see Table 1 and Table 2). The rest of
address bits, as shown in table3, are don't care. Once
all necessary bits have been set as required, the pro-
gramming equipment may read the corresponding iden-
tifier code on Q7~Q0.
TABLE 3. MX29LV401T/B AUTOSELECT MODE OPERATION
Description
Mode CE
Read Silicon ID
L
Manfacturer Code
Read Silicon ID
Word L
(Top Boot Block)
Byte L
Device ID
Word L
(Bottom Boot Block) Byte L
A17 A11 A9 A8 A6 A5 A1 A0
OE WE RESET | |
|
|
A12 A10
A7
A2
L H H X X VID X L X L L
LHH
LHH
LHH
LHH
X X VID X L X L H
X X VID X L X L H
X X VID X L X L H
X X VID X L X L H
Sector Protection
Verification
L
L H H SA X VID X L X H L
NOTE:SA=Sector Address, X=Don't Care, L=Logic Low, H=Logic High
Q15~Q0
C2H
22B9H
XXB9H
22BAH
XXBAH
XX01H
(protected)
XX00H
(unprotected)
P/N:PM0853
REV. 0.0, SEP. 14, 2001
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