2 Mbit Flash + 1 Mbit SRAM ComboMemory
SST31LF021 / SST31LF021E
Data Sheet
Software Product ID Entry
Command Sequence
Load data: AAH
Address: 5555H
Load data: 55H
Address: 2AAAH
Load data: 90H
Address: 5555H
Software Product ID Exit &
Reset Command Sequence
Load data: AAH
Address: 5555H
Load data: F0H
Address: XXH
Load data: 55H
Address: 2AAAH
Wait TIDA
Load data: F0H
Address: 5555H
Return to normal
operation
Wait TIDA
Wait TIDA
Read Software ID
Return to normal
operation
FIGURE 18: SOFTWARE PRODUCT COMMAND FLOWCHARTS
392 ILL F15.1
©2001 Silicon Storage Technology, Inc.
20
S71137-03-000 10/01 392