SST49LF004B-33-4C-WHE SST [Silicon Storage Technology, Inc], SST49LF004B-33-4C-WHE Datasheet - Page 19

• Manufacturer Part Number: SST49LF004B-33-4C-WHE
• Description: 4 Mbit Firmware Hub
• Manufacturer: SST [Silicon Storage Technology, Inc]

4 Mbit Firmware Hub
SST49LF004B
SOFTWARE COMMAND SEQUENCE
TABLE 10: S
©2006 Silicon Storage Technology, Inc.
Byte-Program
Sector-Erase
Block-Erase
Chip-Erase
Software
ID Entry
Software
ID Exit
Software
ID Exit
Command
Sequence
1. LPC mode use consecutive Write cycles to complete a command sequence; PP mode use consecutive bus cycles to complete a
2. YYYY = A[31:16]. In LPC mode, during SDP command sequence, YYYY must be within valid memory address range, see Address
3. PA = Program Byte address
4. SA
5. BA
6. Chip-Erase is supported in PP mode only
7. SST Manufacturer’s ID = BFH, is read with A
8. The device does not remain in Software Product ID mode if powered down.
9. Both Software ID Exit operations are equivalent
command sequence.
out of range section for details. In PP mode, YYYY can be V
With A
9
9
X
X
7,8
for Sector-Erase Address
for Block-Erase Address
18
6
-A
OFTWARE
1
XXXX XXXXH
= 0; 49LF004B Device ID = 60H, is read with A
YYYY 5555H
YYYY 5555H
YYYY 5555H
YYYY 5555H
YYYY 5555H
YYYY 5555H
Addr
Cycle
1st
2
1
C
OMMAND
Data
AAH
AAH
AAH
AAH
AAH
AAH
F0H
YYYY 2AAAH
YYYY 2AAAH
YYYY 2AAAH
YYYY 2AAAH
YYYY 2AAAH
YYYY 2AAAH
Addr
S
EQUENCE
Cycle
2nd
2
1
18
-A
Data
55H
55H
55H
55H
55H
55H
0
= 0.
YYYY 5555H
YYYY 5555H
YYYY 5555H
YYYY 5555H
YYYY 5555H
YYYY 5555H
Addr
0
Cycle
IL
= 1.
3rd
2
or V
19
1
IH
Data
, but no other value.
A0H
80H
80H
80H
90H
F0H
YYYY 5555H
YYYY 5555H
YYYY 5555H
Addr
PA
Cycle
3
Read ID
4th
2
1
Data
Data
AAH
AAH
AAH
YYYY 2AAAH
YYYY 2AAAH
YYYY 2AAAH
Addr
Cycle
5th
2
Preliminary Specifications
1
Data
55H
55H
55H
S71307-02-000
YYYY 5555H
Addr
SA
BA
Cycle
X
X
4
5
6th
2
T10.0 1307
1
Data
30H
50H
10H
2/06