參數(shù)資料
型號: W25X40BLSNIG
廠商: WINBOND ELECTRONICS CORP
元件分類: PROM
英文描述: 4M X 1 FLASH 2.7V PROM, PDSO8
封裝: 0.150 INCH, GREEN, PLASTIC, SOIC-8
文件頁數(shù): 5/53頁
文件大小: 2041K
代理商: W25X40BLSNIG
W25X10BL/20BL/40BL
Publication Release Date: October 14, 2009
- 13 -
Preliminary -- Revision A
9.1.7
Status Register Memory Protection
STATUS REGISTER
W25X40BL (4M-BIT) MEMORY PROTECTION
(1)
TB
BP2
BP1
BP0
BLOCK(S)
ADDRESSES
DENSITY
PORTION
x
0
NONE
0
1
7
070000h - 07FFFFh
64KB
Upper 1/8
0
1
0
6 and 7
060000h - 07FFFFh
128KB
Upper 1/4
0
1
4 thru 7
040000h - 07FFFFh
256KB
Upper 1/2
1
0
1
0
000000h - 00FFFFh
64KB
Lower 1/8
1
0
1
0
0 and 1
000000h - 01FFFFh
128KB
Lower 1/4
1
0
1
0 thru 3
000000h - 03FFFFh
256KB
Lower 1/2
x
1
x
0 thru 7
000000h - 07FFFFh
512KB
ALL
STATUS REGISTER
W25X20BL (2M-BIT) MEMORY PROTECTION
(1)
TB
BP2
BP1
BP0
BLOCK(S)
ADDRESSES
DENSITY
PORTION
x
0
NONE
0
x
0
1
3
030000h - 03FFFFh
64KB
Upper 1/4
0
x
1
0
2 and 3
020000h - 03FFFFh
128KB
Upper 1/2
1
x
0
1
0
000000h - 00FFFFh
64KB
Lower 1/4
1
x
1
0
0 and 1
000000h - 01FFFFh
128KB
Lower 1/2
x
1
0 thru 3
000000h - 03FFFFh
256KB
ALL
STATUS REGISTER
W25X10BL (1M-BIT) MEMORY PROTECTION
(1)
TB
BP2
BP1
BP0
BLOCK(S)
ADDRESSES
DENSITY
PORTION
x
0
NONE
0
x
0
1
010000h - 01FFFFh
64KB
Upper 1/2
1
x
0
1
0
000000h - 00FFFFh
64KB
Lower 1/2
x
1
x
0 and 1
000000h - 01FFFFh
128KB
ALL
Note:
1. x = don’t care
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