參數(shù)資料
型號(hào)： W25X40-VSSI-G
廠商： WINBOND ELECTRONICS CORP
元件分類： PROM
英文描述： 4M X 1 FLASH 2.7V PROM, PDSO8
封裝： 0.208 INCH, GREEN, PLASTIC, SOIC-8
文件頁數(shù)： 5/42頁
文件大小： 1198K
代理商： W25X40-VSSI-G
W25X10, W25X20, W25X40 AND W25X80
Publication Release Date: February 13, 2006
- 13 -
Revision E
9.1.7
Status Register Memory Protection
STATUS REGISTER
(1)
W25X80 (8M-BIT) MEMORY PROTECTION
TB
BP2
BP1
BP0
BLOCK(S)
ADDRESSES
DENSITY (KB)
PORTION
x
0
NONE
0
1
15
0F0000h - 0FFFFFh
512K-bit
Upper 1/16
0
1
0
14 and 15
0E0000h - 0FFFFFh
1M-bit
Upper 1/8
0
1
12 thru 15
0C0000h - 0FFFFFh
2M-bit
Upper 1/4
0
1
0
8 thru 15
080000h - 0FFFFFh
4M-bit
Upper 1/2
1
0
1
0
000000h - 00FFFFh
512K-bit
Lower 1/16
1
0
1
0
0 and 1
000000h - 01FFFFh
1M-bit
Lower 1/8
1
0
1
0 thru 3
000000h - 03FFFFh
2M-bit
Lower 1/4
1
0
0 thru 7
000000h - 07FFFFh
4M-bit
Lower 1/2
x
1
0
1
0 thru 15
000000h - 0FFFFFh
8M-bit
ALL
x
1
x
0 thru 15
000000h - 0FFFFFh
8M-bit
ALL
STATUS REGISTER
(1)
W25X40 (4M-BIT) MEMORY PROTECTION
TB
BP2
BP1
BP0
BLOCK(S)
ADDRESSES
DENSITY (KB)
PORTION
x
0
NONE
0
1
7
070000h - 07FFFFh
512K-bit
Upper 1/8
0
1
0
6 and 7
060000h - 07FFFFh
1M-bit
Upper 1/4
0
1
4 thru 7
040000h - 07FFFFh
2M-bit
Upper 1/2
1
0
1
0
000000h - 00FFFFh
512K-bit
Lower 1/8
1
0
1
0
0 and 1
000000h - 01FFFFh
1M-bit
Lower 1/4
1
0
1
0 thru 3
000000h - 03FFFFh
2M-bit
Lower 1/2
x
1
x
0 thru 7
000000h - 07FFFFh
4M-bit
ALL
STATUS REGISTER
(1)
W25X20 (2M-BIT) MEMORY PROTECTION
TB
BP2
BP1
BP0
BLOCK(S)
ADDRESSES
DENSITY (KB)
PORTION
x
0
NONE
0
x
0
1
3
030000h - 03FFFFh
512K-bit
Upper 1/4
0
x
1
0
2 and 3
020000h - 03FFFFh
1M-bit
Upper 1/2
1
x
0
1
0
000000h - 00FFFFh
512K-bit
Lower 1/4
1
x
1
0
0 and 1
000000h - 01FFFFh
1M-bit
Lower 1/2
x
1
0 thru 3
000000h - 03FFFFh
2M-bit
ALL
STATUS REGISTER
(1)
W25X10 (1M-BIT) MEMORY PROTECTION
TB
BP2
BP1
BP0
BLOCK(S)
ADDRESSES
DENSITY (KB)
PORTION
x
0
NONE
0
x
0
1
010000h - 01FFFFh
512K-bit
Upper 1/2
1
x
0
1
0
000000h - 00FFFFh
512K-bit
Lower 1/2
x
1
x
0 and 1
000000h - 01FFFFh
1M-bit
ALL
Note:
1. x = don’t care
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