SST38VF6401 Silicon Storage Technology, Inc., SST38VF6401 Datasheet - Page 20

• Manufacturer Part Number: SST38VF6401
• Description: 64 Mbit X16 Advanced Multi-purpose Flash Plus 64 Mbit X16 Advanced Multipurpose Flash Plus
• Manufacturer: Silicon Storage Technology, Inc.

Advance Information
TABLE 11: Software Command Sequence (Continued) (3 of 3)
©2007 Silicon Storage Technology, Inc.
Global Lock of NVPBs
Global Lock of
NVPBs Entry
Set Global Lock
Bit
Global Lock
Bit Status
Read
Global Lock of
NVPBs Exit
Password Commands
Password Com-
mands Mode
Entry
Password Pro-
gram
Password
Read
Submit Pass-
word
Password Com-
mands Mode
Exit
Program and Settings Register (PSR)
PSR Entry
PSR Program
22
PSR Read
PSR Exit
CFI
CFI Query
Entry
SST CFI Query
Entry
Software ID
Exit
/CFI Exit/SEC
ID Exit
Software ID
Exit/CFI Exit/
SEC ID Exit
Irreversible Block Lock
Irreversible
Block Lock
Command
Sequence
1. Address format A
2. DQ
3. All read commands are in Bold Italics.
4. Total number of cycles in this command sequence depends on the number of words to be written to the buffer.
5. Erase-Suspend and Erase-Resume commands are also available in Bypass Mode.
23
21
20
23
3
3
mand sequence.
Additional words are written by repeating Write Cycle 5. Address (WA
values as WA
WC = Word Count. The value of WC is the number of words to be written into the buffer, minus 1. Maximum WC value is 15 (i.e. F Hex)
9
15
3
24
-DQ
9
8
can be V
Addr
XXXH
PWA
1st Bus Cycle
555H
555H
555H
555H
555H
555H
XXH
XXH
XXH
XXH
XXH
XXH
XXH
XXH
00H
55H
X
in Write Cycle 5.
X
1
10
-A
IL
Data
PWD
Data
0
Data
AAH
A0H
AAH
A0H
AAH
A0H
AAH
AAH
AAH
or V
90H
25H
90H
90H
98H
F0H
(Hex). Addresses A
16
2
IH
X
, but no other value, for command sequence
2nd Bus Cycle
Addr
PWA
XXXH
SST38VF6401 / SST38VF6402 / SST38VF6403 / SST38VF6404
2AAH
2AAH
2AAH
2AAH
2AAH
2AAH
XXH
XXH
XXH
XXH
00H
X
1
PWDx
Data
Data
55H
00H
00H
55H
03H
00H
55H
00H
55H
55H
55H
11
2
- A
21
3rd Bus Cycle
Addr
555H
555H
555H
555H
555H
555H
00H
can be V
64 Mbit (x16) Advanced Multi-Purpose Flash Plus
1
PWD
Data
50H
60H
40H
98H
F0H
87H
IL
or V
2
0
20
IH,
Addr
4th Bus Cycle
XXH
01H
X
but no other value, for the SST38VF6401/6402/6403/6404 com-
) values for Write Cycle 6 and later must have the same A21-A4
1
PWD
Data
00H
2
1
Addr
5th Bus Cycle
02H
1
PWD
Data
2
2
6th Bus Cycle
Addr
03H
1
T11.0 1309
PWD
Data
S71309-02-000
2
3
Addr
7th Bus Cycle
00H
1
Data
29H
12/07
2