MX29F200T/B
AUTOMATIC SECTOR ERASE ALGORITHM FLOWCHART
START
Write Data AAH Address 555H
Write Data 55H Address 2AAH
Write Data 80H Address 555H
Write Data AAH Address 555H
Write Data 55H Address 2AAH
Write Data 30H Sector Address
NO
Toggle Bit Checking
Invalid Command
Q6 Toggled ?
YES
Load Other Sector Addrss If Necessary
(Load Other Sector Address)
NO
Last Sector
to Erase
YES
NO
NO
Time-out Bit
Checking Q3=1 ?
YES
Toggle Bit Checking
Q6 not Toggled
YES
NO
.
Q5 = 1
DATA Polling
Q7 = 1
YES
Reset
Auto Sector Erase Completed
Auto Sector Erase Exceed
Timing Limit
P/N:PM0549
REV. 1.3 , DEC. 24, 2001
31