MX29LV065 Macronix, MX29LV065 Datasheet - Page 50

• Manufacturer Part Number: MX29LV065
• Description: 64M-Bit CMOS Flash Memory
• Manufacturer: Macronix

Fig 17. CHIP UNPROTECTED FLOWCHART (A9, OE Control)
P/N:PM0893
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
Activate WE Pulse
Set OE=CE=VIL
Protect All Sectors
Time Out 15ms
Set OE=A9=VID
CE=VIL,A6=1
All sectors have
A9=VID,A1=1
been verified?
PLSCNT=1
Chip Unprotect
Data=00H?
START
Complete
50
Yes
Yes
No
MX29LV065
PLSCNT=1000?
Device Failed
Increment
PLSCNT
Yes
No
REV. 0.4, JUL. 22, 2003