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GD25WD80CSEG 데이터시트(PDF) 9 Page - GigaDevice Semiconductor (Beijing) Inc.

부품명 GD25WD80CSEG
상세설명  Uniform Sector Standard and Dual Serial Flash
PDF  47 Pages
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제조업체  GIGADEVICE [GigaDevice Semiconductor (Beijing) Inc.]
홈페이지  http://www.gigadevice.com/
Logo GIGADEVICE - GigaDevice Semiconductor (Beijing) Inc.

GD25WD80CSEG 데이터시트(HTML) 9 Page - GigaDevice Semiconductor (Beijing) Inc.

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Uniform Sector
Standard and Dual Serial Flash
GD25WD80C
9
5. DATA PROTECTION
The GD25WD80C provides the following data protection methods:
◆
Write Enable (WREN) command: The WREN command is set the Write Enable Latch bit (WEL). The WEL bit will
reset to 0 in the following situations:
-Power-Up
-Write Disable (WRDI)
-Write Status Register (WRSR)
-Page Program (PP)
-Sector Erase (SE) / Block Erase (BE) / Chip Erase (CE)
◆
Software Protection Mode: The Block Protect (BP2, BP1, BP0) bits define the section of the protected memory area
which is read-only and unalterable.
◆
Hardware Protection Mode: WP# goes low to protect the BP0~BP2 bits and SRP bits.
◆
Deep Power-Down Mode: In Deep Power-Down Mode, all commands are ignored except the Release from Deep
Power-Down Mode command.
◆
Write Inhibit Voltage (VWI): Device would reset automatically when VCC is below a certain threshold VWI.
Table1. GD25WD80C Protected area size
Status Register Content
Memory Content
BP2
BP1
BP0
Blocks
Addresses
Density
Portion
0
0
0
NONE
NONE
NONE
NONE
0
0
1
Sector 0 to 253
000000H-0FDFFFH
1016KB
Lower 254/256
0
1
0
Sector 0 to 251
000000H-0FBFFFH
1008KB
Lower 252/256
0
1
1
Sector 0 to 247
000000H-0F7FFFH
992KB
Lower 248/256
1
0
0
Sector 0 to 239
000000H-0EFFFFH
960KB
Lower 240/256
1
0
1
Sector 0 to 223
000000H-0DFFFFH
896KB
Lower 224/256
1
1
0
Sector 0 to 191
000000H-0BFFFFH
768KB
Lower 192/256
1
1
1
All
000000H-0FFFFFH
1024KB
ALL



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