W25X10A Datasheet, PDF (13/45 Pages) Winbond – 1M-BIT, 2M-BIT, 4M-BIT AND 8M-BIT SERIAL FLASH MEMORY WITH 4KB SECTORS AND DUAL OUTPUT SPI

W25X10A, W25X20A, W25X40A, W25X80A
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
W25X80A (8M-BIT) MEMORY PROTECTION
BLOCK(S)
ADDRESSES
DENSITY
NONE
NONE
NONE
15
0F0000h - 0FFFFFh
64KB
14 and 15 0E0000h - 0FFFFFh
128KB
12 thru 15 0C0000h - 0FFFFFh
256KB
8 thru 15 080000h - 0FFFFFh
512KB
0
000000h - 00FFFFh
64KB
0 and 1 000000h - 01FFFFh
128KB
0 thru 3 000000h - 03FFFFh
256KB
0 thru 7 000000h - 07FFFFh
512KB
0 thru 15 000000h - 0FFFFFh
1MB
0 thru 15 000000h - 0FFFFFh
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
W25X40A (4M-BIT) MEMORY PROTECTION
BLOCK(S)
ADDRESSES
DENSITY
NONE
NONE
NONE
7
070000h - 07FFFFh
64KB
6 and 7 060000h - 07FFFFh
128KB
4 thru 7 040000h - 07FFFFh
256KB
0
000000h - 00FFFFh
64KB
0 and 1 000000h - 01FFFFh
128KB
0 thru 3 000000h - 03FFFFh
256KB
0 thru 7 000000h - 07FFFFh
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
W25X20A (2M-BIT) MEMORY PROTECTION
BLOCK(S)
NONE
ADDRESSES
NONE
DENSITY
NONE
3
030000h - 03FFFFh
64KB
2 and 3 020000h - 03FFFFh
128KB
0
000000h - 00FFFFh
64KB
0 and 1 000000h - 01FFFFh
128KB
0 thru 3 000000h - 03FFFFh
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
W25X10A (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: February 27, 2008
Revision B