MX29SL800C T/B
To verify whether or not sector being protected, the sec-
tor address must appear on the appropriate highest order
address bit (seeTable 1 andTable 2).The rest of address
bits, as shown in table 3, are don't care. Once all neces-
sary bits have been set as required, the programming
equipment may read the corresponding identifier code on
Q7~Q0.
TABLE 3. MX29SL800C T/B AUTO SELECT MODE OPERATION
A18 A11 A9 A8 A6 A5 A1 A0
Description
Mode CE# OE# WE#
|
|
|
A7
X
|
A2
X
Q15~Q0
A12 A10
Manufacturer Code
L
L
L
L
L
L
L
L
L
L
H
H
H
H
H
X
X
X
X
X
X
X
X
X
X
VID
VID
VID
VID
VID
L
L
L
L
L
L
L
L
L
L
L
C2H
22EAH
Read Device ID
Word
Byte
Word
X
X
H
H
H
H
Silicon (Top Boot Block)
X
X
XXEAH
226BH
ID
Device ID
X
X
(Bottom Boot Block) Byte
X
X
XX6BH
XX01H
Sector Protection
Verification
L
L
H
SA
X
VID
X
L
X
H
L
(protected)
XX00H
(unprotected)
NOTE:SA=Sector Address, X=Don't Care, L=Logic Low, H=Logic High
P/N:PM1224
REV. 1.0, APR. 20, 2006
8