MX29LV800BT Macronix, MX29LV800BT Datasheet - Page 43
MX29LV800BT
Manufacturer Part Number
MX29LV800BT
Description
8M-Bit CMOS Single Voltage 3V Only Flash Memory
Manufacturer
Macronix
Datasheet
1.MX29LV800BT.pdf
(63 pages)
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FIGURE 17. CHIP UNPROTECTION ALGORITHM (A9, OE# Control)
P/N:PM1062
Sector Addr
Increment
* It is recommended before unprotect whole chip, all sectors should be protected in advance.
No
Set Up First Sector Addr
Read Data from Device
Write Reset Command
Remove VID from A9
Set OE#=CE#=VIL
Activate WE# Pulse
Protect All Sectors
Time Out 50ms
Set OE#=A9=VID
CE#=VIL,A6=1
All sectors have
A9=VID,A1=1
been verified?
Chip Unprotect
PLSCNT=1
Data=00H?
START
Complete
43
Yes
Yes
MX29LV800BT/BB
No
PLSCNT=1000?
Device Failed
Increment
PLSCNT
Yes
No
REV. 1.3, DEC. 20, 2004