参数资料
型号: AM29DS163DB100WAKN
厂商: Advanced Micro Devices, Inc.
英文描述: 16 Megabit CMOS 1.8 Volt-only, Simultaneous Operation Flash Memory
中文描述: 16兆位的CMOS 1.8伏只,同时作业快闪记忆体
文件页数: 16/50页
文件大小: 1682K
代理商: AM29DS163DB100WAKN
16
Am29DS163D
A D V A N C E I N F O R M A T I O N
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 Tables
8 and 9).
Table 8. Top Boot Sector/Sector Block Addresses
for Protection/Unprotection
Table 9. Bottom Boot Sector/Sector Block
Addresses for Protection/Unprotection
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 and unprotection can be im-
plemented via two methods.
The primary method requires V
ID
on the RESET# pin
only, and can be implemented either in-system or via
programming equipment.
Figure 2
shows the algo-
rithms and
Figure 25
shows the timing diagram. This
method uses standard microprocessor bus cycle tim-
ing. For sector unprotect, all unprotected sectors must
first be protected prior to the first sector unprotect
write cycle.
Sector / Sector
Block
A19–A12
Sector / Sector Block Size
SA0
00000XXX
64 Kbytes
SA1-SA3
00001XXX,
00010XXX,
00011XXX
192 (3x64) Kbytes
SA4-SA7
001XXXXX
256 (4x64) Kbytes
SA8-SA11
010XXXXX
256 (4x64) Kbytes
SA12-SA15
011XXXXX
256 (4x64) Kbytes
SA16-SA19
100XXXXX
256 (4x64) Kbytes
SA20-SA23
101XXXXX
256 (4x64) Kbytes
SA24-SA27
110XXXXX
256 (4x64) Kbytes
SA28-SA30
11100XXX,
11101XXX,
11110XXX
192 (3x64) Kbytes
SA31
11111000
8 Kbytes
SA32
11111001
8 Kbytes
SA33
11111010
8 Kbytes
SA34
11111011
8 Kbytes
SA35
11111100
8 Kbytes
SA36
11111101
8 Kbytes
SA37
11111110
8 Kbytes
SA38
11111111
8 Kbytes
Sector / Sector
Block
A19–A12
Sector / Sector Block Size
SA38
11111XXX
64 Kbytes
SA37-SA35
11110XXX,
11101XXX,
11100XXX
192 (3x64) Kbytes
SA34-SA31
110XXXXX
256 (4x64) Kbytes
SA30-SA27
101XXXXX
256 (4x64) Kbytes
SA26-SA23
100XXXXX
256 (4x64) Kbytes
SA22-SA19
011XXXXX
256 (4x64) Kbytes
SA18-SA15
010XXXXX
256 (4x64) Kbytes
SA14-SA11
001XXXXX
256 (4x64) Kbytes
SA10-SA8
00001XXX,
00010XXX,
00011XXX
192 (3x64) Kbytes
SA7
00000111
8 Kbytes
SA6
00000110
8 Kbytes
SA5
00000101
8 Kbytes
SA4
00000100
8 Kbytes
SA3
00000011
8 Kbytes
SA2
00000010
8 Kbytes
SA1
00000001
8 Kbytes
SA0
00000000
8 Kbytes
相关PDF资料
PDF描述
Am29DS163DB120 16 Megabit CMOS 1.8 Volt-only, Simultaneous Operation Flash Memory
AM29DS163DB120WAE 16 Megabit CMOS 1.8 Volt-only, Simultaneous Operation Flash Memory
AM29DS163DB120WAEN 16 Megabit CMOS 1.8 Volt-only, Simultaneous Operation Flash Memory
AM29DS163DB120WAF 16 Megabit CMOS 1.8 Volt-only, Simultaneous Operation Flash Memory
AM29DS163DB120WAFN 16 Megabit CMOS 1.8 Volt-only, Simultaneous Operation Flash Memory
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