Figure 2. AUTOMATIC CHIP ERASE FLOW CHART
START
Write Data AAH Address 5555H
Write Data 55H Address 2AAAH
Write Data 80H Address 5555H
Write Data AAH Address 5555H
Write Data 55H Address 2AAAH
INDEX
MX29F8100
Write Data 10H Address 5555H
Read Status Register
NO
SR7 = 1
?
YES
NO
SR5 = 0
?
YES
Chip Erase Completed
NO
To Execute
Suspend Mode ?
YES
Erase Error
Operation Done,
Device Stays at
Read S.R. Mode
To Continue Other
Operations, Do Clear
S.R. Mode First
Erase Suspend Flow (Figure 4.)
P/N: PM0262
REV. 2.0, JAN. 22, 1999
17