IMX29F002 Macronix International, IMX29F002 Datasheet - Page 38

• Manufacturer Part Number: IMX29F002
• Description: 2M-BIT [256K x 8] CMOS FLASH MEMORY
• Manufacturer: Macronix International

SECTOR PROTECTION ALGORITHM FOR SYSTEM WITHOUT 12V
P/N: PM0547
Increment PLSCNT
PLSCNT=32?
Device Failed
No
Yes
No
Write "unlock for sector protect/unprotect"
(A17,A16,A15,A14,A13)
Write Reset Command
Activate WE Pulse to start
Set Up Sector Addr
Set CE=OE=VIL
Toggle bit checking
Read from Sector
Command(Table1)
Addr=SA, A1=1
OE=VIH,A9=VIH
Q6 not Toggled
Sector Protection
CE=VIL,A6=VIL
Protect Another
PLSCNT=1
Data don't care
Data=01H?
A9=VIH
START
Complete
Sector?
38
Yes
Yes
No
MX29F002/002N
No
Yes
.
REV. 1.1, JUN. 14, 2001