w25x40av Winbond Electronics Corp America, w25x40av Datasheet - Page 13

• Manufacturer Part Number: w25x40av
• Description: 1m-bit, 2m-bit, 4m-bit And 8m-bit Serial Flash Memory With 4kb Sectors And Dual Output Spi
• Manufacturer: Winbond Electronics Corp America

10.1.7 Status Register Memory Protection
Note:
STATUS REGISTER
STATUS REGISTER
STATUS REGISTER
TB
TB
STATUS REGISTER
TB
TB
x
0
0
1
1
x
x
0
1
x
1. x = don’t care
x
0
0
0
1
1
1
x
0
0
0
0
1
1
1
1
x
x
x
BP2
BP2
BP2
BP2
x
x
x
x
x
x
x
x
x
x
0
0
0
0
1
0
0
0
1
1
1
0
0
0
0
0
0
0
1
BP1
BP1
BP1
BP1
0
0
1
0
1
1
0
0
0
1
0
0
1
1
0
1
1
0
0
1
1
0
0
1
1
0
0
1
x
(1)
(1)
(1)
(1)
BP0
BP0
BP0
BP0
W25X10A, W25X20A, W25X40A, W25X80A
0
1
0
1
0
0
1
1
1
x
0
1
0
1
0
1
0
1
0
1
0
1
0
1
1
0
1
x
x
BLOCK(S)
BLOCK(S)
BLOCK(S)
BLOCK(S)
14 and 15
12 thru 15
8 thru 15
0 thru 15
0 thru 15
0 thru 3
2 and 3
0 and 1
0 and 1
0 thru 3
0 thru 7
6 and 7
4 thru 7
0 and 1
0 thru 3
0 thru 7
0 and 1
NONE
NONE
NONE
NONE
15
3
0
1
0
0
7
0
W25X80A (8M-BIT) MEMORY PROTECTION
W25X20A (2M-BIT) MEMORY PROTECTION
W25X10A (1M-BIT) MEMORY PROTECTION
W25X40A (4M-BIT) MEMORY PROTECTION
0E0000h - 0FFFFFh
0C0000h - 0FFFFFh
030000h - 03FFFFh
020000h - 03FFFFh
000000h - 00FFFFh
000000h - 01FFFFh
000000h - 03FFFFh
010000h - 01FFFFh
000000h - 00FFFFh
000000h - 01FFFFh
0F0000h - 0FFFFFh
080000h - 0FFFFFh
000000h - 0FFFFFh
000000h - 0FFFFFh
000000h - 00FFFFh
000000h - 01FFFFh
000000h - 03FFFFh
000000h - 07FFFFh
070000h - 07FFFFh
060000h - 07FFFFh
040000h - 07FFFFh
000000h - 00FFFFh
000000h - 01FFFFh
000000h - 03FFFFh
000000h - 07FFFFh
- 13 -
ADDRESSES
ADDRESSES
ADDRESSES
ADDRESSES
NONE
NONE
NONE
NONE
Publication Release Date: July 23, 2008
DENSITY
DENSITY
DENSITY
DENSITY
128KB
256KB
512KB
128KB
256KB
512KB
NONE
128KB
128KB
256KB
128KB
128KB
256KB
128KB
256KB
512KB
NONE
NONE
NONE
64KB
64KB
64KB
64KB
64KB
64KB
64KB
64KB
1MB
1MB
Upper 1/16
Lower 1/16
Upper 1/8
Upper 1/4
Upper 1/2
Lower 1/8
Lower 1/4
Lower 1/2
PORTION
Upper 1/8
Upper 1/4
Upper 1/2
Lower 1/8
Lower 1/4
Lower 1/2
Upper 1/4
Upper 1/2
Lower 1/4
Lower 1/2
Upper 1/2
Lower 1/2
PORTION
PORTION
PORTION
NONE
NONE
NONE
NONE
Revision D
ALL
ALL
ALL
ALL
ALL