
20
Data Sheet
512 Kbit Page-Mode EEPROM
SST29EE512 / SST29LE512 / SST29VE512
2001 Silicon Storage Technology, Inc.
S71060-06-000
6/01
301
FIGURE 17: S
OFTWARE
D
ATA
P
ROTECTION
F
LOWCHARTS
301 ILL F16.1
Write data: AAH
Address: 5555H
Software Data Protect Enable
Command Sequence
Write data: 55H
Address: 2AAAH
Write data: A0H
Address: 5555H
Wait TWC
Wait TBLCO
SDP Enabled
Load 0 to
128 Bytes of
page data
Optional Page Load
Operation
Write data: AAH
Address: 5555H
Software Data Protect
Disable Command Sequence
Write data: 55H
Address: 2AAAH
Write data: 80H
Address: 5555H
Write data: AAH
Address: 5555H
Wait TWC
Wait TBLCO
SDP Disabled
Write data: 55H
Address: 2AAAH
Write data: 20H
Address: 5555H