4 Mbit LPC Flash
SST49LF040
Advance Information
Software Product ID Entry
Command Sequence
Address: 5555H
Write Data: AAH
Cycle: 1
Software Product ID Exit &
Reset Command Sequence
Address: 5555H
Write Data: AAH
Cycle: 1
Address: XXXXH
Write Data: F0H
Cycle: 1
Address: 2AAAH
Write Data: 55H
Cycle: 2
Address: 2AAAH
Write Data: 55H
Cycle: 2
Wait TIDA
Address: 5555H
Write Data: 90H
Cycle: 3
Address: 5555H
Write Data: F0H
Cycle: 3
Available for
Next Command
Wait TIDA
Wait T
IDA
Address: 0001H
Read Data: BFH
Cycle: 4
Available for
Next Command
Address: 0002H
Read Data:
Cycle: 5
Available for
Next Command
Note: X can be VIL or VIH, but no other value.
562 ILL F34.0
FIGURE 34: S
OFTWARE
P
RODUCT
C
OMMAND
F
LOWCHARTS
(LPC M
ODE
)
©2001 Silicon Storage Technology, Inc.
S71213-00-000 11/01 562
40
SST [ SILICON STORAGE TECHNOLOGY, INC ]
