W25X10AL_09 Datasheet, PDF (13/45 Pages) Winbond – 1M-BIT, 2M-BIT, 4M-BIT AND 8M-BIT 2.5V SERIAL FLASH MEMORY WITH 4KB SECTORS AND DUAL OUTPUT SPI

W25X10AL, W25X20AL, W25X40AL, W25X80AL
10.1.7 Status Register Memory Protection
STATUS REGISTER⁽¹⁾
TB BP2 BP1 BP0
x0
0
0
00
0
1
00
1
0
00
1
1
01
0
0
10
0
1
10
1
0
10
1
1
11
0
0
x1
0
1
x1
1
x
W25X80AL (8M-BIT) MEMORY PROTECTION
BLOCK(S)
NONE
15
14 and 15
12 thru 15
8 thru 15
0
0 and 1
0 thru 3
0 thru 7
0 thru 15
0 thru 15
ADDRESSES
NONE
0F0000h - 0FFFFFh
0E0000h - 0FFFFFh
0C0000h - 0FFFFFh
080000h - 0FFFFFh
000000h - 00FFFFh
000000h - 01FFFFh
000000h - 03FFFFh
000000h - 07FFFFh
000000h - 0FFFFFh
000000h - 0FFFFFh
DENSITY
NONE
64KB
128KB
256KB
512KB
64KB
128KB
256KB
512KB
1MB
1MB
PORTION
NONE
Upper 1/16
Upper 1/8
Upper 1/4
Upper 1/2
Lower 1/16
Lower 1/8
Lower 1/4
Lower 1/2
ALL
ALL
STATUS REGISTER⁽¹⁾
TB BP2 BP1 BP0
x0
0
0
00
0
1
00
1
0
00
1
1
10
0
1
10
1
0
10
1
1
x1
x
x
W25X40AL (4M-BIT) MEMORY PROTECTION
BLOCK(S)
NONE
7
6 and 7
4 thru 7
0
0 and 1
0 thru 3
0 thru 7
ADDRESSES
NONE
070000h - 07FFFFh
060000h - 07FFFFh
040000h - 07FFFFh
000000h - 00FFFFh
000000h - 01FFFFh
000000h - 03FFFFh
000000h - 07FFFFh
DENSITY
NONE
64KB
128KB
256KB
64KB
128KB
256KB
512KB
PORTION
NONE
Upper 1/8
Upper 1/4
Upper 1/2
Lower 1/8
Lower 1/4
Lower 1/2
ALL
STATUS REGISTER⁽¹⁾
TB BP2 BP1 BP0
xx
0
0
0x
0
1
0x
1
0
1x
0
1
1x
1
0
xx
1
1
W25X20AL (2M-BIT) MEMORY PROTECTION
BLOCK(S)
NONE
3
2 and 3
0
0 and 1
0 thru 3
ADDRESSES
NONE
030000h - 03FFFFh
020000h - 03FFFFh
000000h - 00FFFFh
000000h - 01FFFFh
000000h - 03FFFFh
DENSITY
NONE
64KB
128KB
64KB
128KB
256KB
PORTION
NONE
Upper 1/4
Upper 1/2
Lower 1/4
Lower 1/2
ALL
STATUS REGISTER⁽¹⁾
TB BP2 BP1 BP0
xx
0
0
0x
0
1
1x
0
1
xx
1
x
Note:
1. x = don’t care
W25X10AL (1M-BIT) MEMORY PROTECTION
BLOCK(S)
NONE
1
0
0 and 1
ADDRESSES
NONE
010000h - 01FFFFh
000000h - 00FFFFh
000000h - 01FFFFh
DENSITY
NONE
64KB
64KB
128KB
PORTION
NONE
Upper 1/2
Lower 1/2
ALL
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Publication Release Date: October 7, 2009
Revision D