Datasheet

©2011 Silicon Storage Technology, Inc. DS25041A 05/11
30
8 Mbit (x16) Multi-Purpose Flash Plus
SST39VF801C / SST39VF802C / SST39LF801C / SST39LF802C
Data Sheet
A
Microchip Technology Company
Figure 24:Software ID/CFI Entry Command Flowcharts
1434 F21.0
Load data: XXAAH
Address: 555H
Software Product ID
Entry
Command Sequence
Load data: XX55H
Address: 2AAH
Load data: XX90H
Address: 555H
Wait T
IDA
Read Software ID
Load data: XXAAH
Address: 555H
CFI Query Entry
Command Sequence
Load data: XX55H
Address: 2AAH
Load data: XX98H
Address: 55H
Wait T
IDA
Read CFI data
Load data: XXAAH
Address: 555H
Sec ID Query Entry
Command Sequence
Load data: XX55H
Address: 2AAH
Load data: XX88H
Address: 555H
Wait T
IDA
Read Sec ID
Load data: XX98H
Address: 55H
Wait T
IDA
Read CFI data
Note: X can V
IL
or V
IH
, but no other value.