AM29SL160C AMD [Advanced Micro Devices], AM29SL160C Datasheet - Page 17

• Manufacturer Part Number: AM29SL160C
• Description: 16 Megabit CMOS 1.8 Volt-only Super Low Voltage Flash Memory
• Manufacturer: AMD [Advanced Micro Devices]

Sector/Sector Block Protection and
Unprotection
(Note: For the following discussion, the term “sector”
applies to both sectors and sector blocks. A sector
block consists of two or more adjacent sectors that are
protected or unprotected at the same time (see
and
Table 5. Top Boot Sector/Sector Block Addresses
November 1, 2004
Sector / Sector
Table
SA12-SA15
SA16-SA19
SA20-SA23
SA24-SA27
SA28-SA30
SA8-SA11
SA1-SA3
SA4-SA7
Block
SA31
SA32
SA33
SA34
SA35
SA36
SA37
SA38
SA0
6).
for Protection/Unprotection
00001XXX,
00010XXX,
001XXXXX
010XXXXX
100XXXXX
101XXXXX
011XXXXX
110XXXXX
11100XXX,
11101XXX,
00000XXX
00011XXX
11110XXX
A19–A12
11111000
11111001
11111010
11111011
11111100
11111101
11111110
11111111
Sector / Sector Block Size
192 (3x64) Kbytes
256 (4x64) Kbytes
256 (4x64) Kbytes
256 (4x64) Kbytes
256 (4x64) Kbytes
256 (4x64) Kbytes
256 (4x64) Kbytes
192 (3x64) Kbytes
64 Kbytes
8 Kbytes
8 Kbytes
8 Kbytes
8 Kbytes
8 Kbytes
8 Kbytes
8 Kbytes
8 Kbytes
Table 5
Am29SL160C
The hardware sector protection feature disables both
program and erase operations in any sector. The hard-
ware sector unprotection feature re-enables both
program and erase operations in previously protected
sectors. Sector protection/unprotection is implemented
via two methods.
Sector / Sector
Table 6. Bottom Boot Sector/Sector Block
SA37-SA35
SA34-SA31
SA30-SA27
SA26-SA23
SA22-SA19
SA18-SA15
SA14-SA11
SA10-SA8
Addresses for Protection/Unprotection
Block
SA38
SA7
SA6
SA5
SA4
SA3
SA2
SA1
SA0
101XXXXX
100XXXXX
010XXXXX
001XXXXX
00001XXX,
00010XXX,
11110XXX,
11101XXX,
110XXXXX
011XXXXX
00011XXX
11111XXX
11100XXX
00000111
00000110
00000101
00000100
00000011
00000010
00000001
00000000
A19–A12
Sector / Sector Block Size
192 (3x64) Kbytes
256 (4x64) Kbytes
256 (4x64) Kbytes
256 (4x64) Kbytes
256 (4x64) Kbytes
256 (4x64) Kbytes
256 (4x64) Kbytes
192 (3x64) Kbytes
64 Kbytes
8 Kbytes
8 Kbytes
8 Kbytes
8 Kbytes
8 Kbytes
8 Kbytes
8 Kbytes
8 Kbytes
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