MX29LV160T/B & MX29LV160AT/AB
mand through the command register without requiring
VID, as shown in table 5.
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 Table 3, 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. MX29LV160T/B & MX29LV160AT/AB AUTO SELECT MODE BUS OPERATION (A9=VID)
A19
Description
Mode
CE
OE
WE RESET
|
A12
Read Silicon ID
Manufacture Code
Device ID
(Top Boot Block)
Device ID
Word
Byte
Word
L
L
L
L
L
L
L
L
H
H
H
H
H
H
H
H
X
X
X
X
X
X
X
X
VID
VID
VID
VID
X
X
X
X
L
L
L
L
X
X
X
X
L
L
L
L
H
H
H
H
22C4H
XXC4H
2249H
XX49H
XX01H
Sector Protection
Verification
L
L
H
H
SA
X
VID
X
L
X
H
L
(protected)
XX00H
(unprotected)
L
L
H
H
X
A11
|
A10
X
VID
A9
A8
|
A7
X
L
A6
A5
|
A2
X
L
L
C2H
A1
A0
Q15~Q0
(Bottom Boot Block) Byte
NOTE: SA=Sector Address, X=Don't Care, L=Logic Low, H=Logic High
P/N:PM0866
REV. 3.7, APR. 23, 2003
7
MCNIX [ MACRONIX INTERNATIONAL ]
