8 Mbit (x16) Multi-Purpose Flash Plus
A Microchip Technology Company
SST39VF801C / SST39VF802C / SST39LF801C / SST39LF802C
Data Sheet
THREE-BYTE SEQUENCE FOR
SOFTWARE ID EXIT AND RESET
ADDRESS
DQ 15-0
555
XXAA
2AA
XX55
555
XXF0
T IDA
CE#
OE#
T WP
WE#
T WHP
SW0
SW1
SW2
1434 F13.0
Note: WP# must be held in proper logic state (V IL or V IH ) 1μs prior to and 1μs after the command sequence.
X can be V IL or V IH , but no other value.
Figure 16: Software ID Exit/CFI Exit
THREE-BYTE SEQUENCE FOR
CFI QUERY ENTRY
ADDRESS A MS-0
555
2AA
555
CE#
OE#
WE#
T WP
T WPH
T IDA
T AA
DQ 15-0
XXAA
SW0
XX55
SW1
XX88
SW2
1434 F20.0
Note: A MS = Most significant address
A MS = A 18
WP# must be held in proper logic state (V IL or V IH ) 1μs prior to and 1μs after the command sequence.
X can be V IL or V IH , but no other value.
Figure 17: Sec ID Entry
?2011 Silicon Storage Technology, Inc.
25
DS25041A
05/11
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