28
REV. 1.5, MAR. 28, 2005
P/N: PM0547
MX29F002/002N T/B
AUTOMATIC CHIP ERASE ALGORITHM FLOWCHART
START
Write Data AAH Address 555H
Write Data 55H Address 2AAH
Write Data AAH Address 555H
Write Data 80H Address 555H
YES
NO
Toggle Bit Checking
Q6 not Toggled
Write Data 10H Address 555H
Write Data 55H Address 2AAH
Reset
Auto Chip Erase Exceed
Timing Limit
DATA Polling
Q7 = 1
YES
Q5 = 1
Auto Chip Erase Completed
NO
.
NO
Invalid
Command
YES