AT49LL080-33JC ATMEL [ATMEL Corporation], AT49LL080-33JC Datasheet - Page 12

• Manufacturer Part Number: AT49LL080-33JC
• Description: 8-megabit Low-pin Count Flash Memory
• Manufacturer: ATMEL [ATMEL Corporation]

Table 7. Sector-locking Registers for AT49LL080
Table 8. Function of Sector-locking Bits
12
Register Name
LR15
LR14
LR13
LR12
LR11
LR10
LR9
LR8
LR7
LR6
LR5
LR4
LR3
LR2
LR1
LR0
FGPI-REG
Bit
7:3
2
1
0
AT49LL080
Function
Reserved
Read Lock
1 = Prevents read operations in the sector where set.
0 = Normal operation for reads in the sector where clear. This is the default state.
Lock-down
1 = Prevents further set or clear operations to the Write Lock and Read Lock bits. Lock-down can only be set, but
not cleared. The sector will remain locked-down until reset (with RST or INIT), or until the device is power-cycled.
0 = Normal operation for Write Lock and Read Lock bits altering in the sector where clear. This is the default state.
Write Lock
1 = Prevents program or erase operations in the sector where set. This is the default state.
0 = Normal operation for programming and erase in the sector where clear.
Sector Size
64K
64K
64K
64K
64K
64K
64K
64K
64K
64K
64K
64K
64K
64K
64K
64K
Register Memory Address (ID [3:0] = 0000)
FF7F0002H
FF7E0002H
FF7D0002H
FF7C0002H
FF7B0002H
FF7A0002H
FF790002H
FF780002H
FF770002H
FF760002H
FF750002H
FF740002H
FF730002H
FF720002H
FF710002H
FF700002H
FF7C0100H
Default Value
01H
01H
01H
01H
01H
01H
01H
01H
01H
01H
01H
01H
01H
01H
01H
01H
N/A
3273C–FLASH–5/03
Type
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
RO