16 Mbit Concurrent SuperFlash + 2 / 4 Mbit SRAM ComboMemory
SST34HF1621 / SST34HF1641
Data Sheet
CFI Query Entry
Command Sequence
Software Product ID Entry
Command Sequence
Software ID Exit/CFI Exit
Command Sequence
Load data: XXAAH
Address: 5555H
Load data: XXAAH
Address: 5555H
Load data: XXAAH
Address: 5555H
Load data: XX55H
Address: 2AAAH
Load data: XX55H
Address: 2AAAH
Load data: XX55H
Address: 2AAAH
Load data: XX98H
Address: 5555H
Load data: XX90H
Address: 5555H
Load data: XXF0H
Address: 5555H
Wait T
Wait T
Wait T
IDA
IDA
IDA
Return to normal
operation
Read CFI data
Read Software ID
523 ILL F23.3
Note: X can be V or V
IL IH,
but no other value.
FIGURE 23: SOFTWARE PRODUCT ID/CFI COMMAND FLOWCHARTS
©2001 Silicon Storage Technology, Inc.
S71172-05-000 10/01 523
27
SST [ SILICON STORAGE TECHNOLOGY, INC ]
