8 Mbit Firmware Hub
SST49LF008A
Data Sheet
TABLE 6: Block Locking Registers for SST49LF008A1
Protected Memory Address
Memory Map Register
Address
Register
Block Size
64K
Range
T_BLOCK_LK
0FFFFFH - 0F0000H
0EFFFFH - 0E0000H
0DFFFFH - 0D0000H
0CFFFFH - 0C0000H
0BFFFFH - 0B0000H
0AFFFFH - 0A0000H
09FFFFH - 090000H
08FFFFH - 080000H
07FFFFH - 070000H
06FFFFH - 060000H
05FFFFH - 050000H
04FFFFH - 040000H
03FFFFH - 030000H
02FFFFH - 020000H
01FFFFH -010000H
00FFFFH - 000000H
FFBF0002H
FFBE0002H
FFBD0002H
FFBC0002H
FFBB0002H
FFBA0002H
FFB90002H
FFB80002H
FFB70002H
FFB60002H
FFB50002H
FFB40002H
FFB30002H
FFB20002H
FFB10002H
T_MINUS01_LK
T_MINUS02_LK
T_MINUS03_LK
T_MINUS04_LK
T_MINUS05_LK
T_MINUS06_LK
T_MINUS07_LK
T_MINUS08_LK
T_MINUS09_LK
T_MINUS10_LK
T_MINUS11_LK
T_MINUS12_LK
T_MINUS13_LK
T_MINUS14_LK
T_MINUS15_LK
64K
64K
64K
64K
64K
64K
64K
64K
64K
64K
64K
64K
64K
64K
64K
FFB00002H
T6.4 1161
1. Default value at power up is 01H
TABLE 7: Block Locking Register Bits
Reserved Bit [7..2]
000000
Lock-Down Bit [1]
Write-Lock Bit [0]
Lock Status
Full Access
0
0
1
1
0
1
0
1
000000
Write Locked (Default State at Power-Up)
Locked Open (Full Access Locked Down)
000000
000000
Write Locked Down
T7.3 1161
©2006 Silicon Storage Technology, Inc.
S71161-11-000
3/06
16
SST [ SILICON STORAGE TECHNOLOGY, INC ]
