W25X10BL Datasheet, PDF (13/53 Pages) Winbond – 1M-BIT, 2M-BIT AND 4M-BIT 2.5V SERIAL FLASH MEMORY WITH 4KB SECTORS AND DUAL I/O SPI

W25X10BL/20BL/40BL
9.1.7 Status Register Memory Protection
STATUS REGISTER⁽¹⁾
TB BP2 BP1 BP0
x0
0
0
00
0
1
00
1
0
00
1
1
10
0
1
10
1
0
10
1
1
x1
x
x
W25X40BL (4M-BIT) MEMORY PROTECTION
BLOCK(S)
NONE
ADDRESSES
NONE
DENSITY
NONE
PORTION
NONE
7
070000h - 07FFFFh
64KB
Upper 1/8
6 and 7
060000h - 07FFFFh
128KB
Upper 1/4
4 thru 7
040000h - 07FFFFh
256KB
Upper 1/2
0
000000h - 00FFFFh
64KB
Lower 1/8
0 and 1
000000h - 01FFFFh
128KB
Lower 1/4
0 thru 3
000000h - 03FFFFh
256KB
Lower 1/2
0 thru 7
000000h - 07FFFFh
512KB
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
W25X20BL (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
W25X10BL (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
Note:
1. x = don’t care
- 13 -
Publication Release Date: October 14, 2009
Preliminary -- Revision A