MX29LV002xx Macronix, MX29LV002xx Datasheet - Page 39
MX29LV002xx
Manufacturer Part Number
MX29LV002xx
Description
2M-Bit CMOS Single Voltage 3V Flash Memory
Manufacturer
Macronix
Datasheet
1.MX29LV002XX.pdf
(58 pages)
- Current page: 39 of 58
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Figure 19. CHIP UNPROTECTION ALGORITHM (A9, OE# Control)
P/N:PM1204
Sector Addr
Increment
* It is recommended before unprotect whole chip, all sectors should be protected in advance.
MX29LV002C/002NC T/B
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
39
Yes
Yes
No
PLSCNT=1000?
Device Failed
Increment
PLSCNT
Yes
No
REV. 1.0, JUN. 30, 2005
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