W25Q40BW Datasheet, PDF (14/70 Pages) Winbond – 1.8V 4M-BIT SERIAL FLASH MEMORY WITH DUAL AND QUAD SPI

W25Q40BW
8.1.11 Status Register Memory Protection (CMP = 0)
STATUS REGISTER⁽¹⁾
W25Q40BW (4M-BIT) MEMORY PROTECTION
SEC TB BP2 BP1 BP0 BLOCK(S)
ADDRESSES
DENSITY
PORTION
XX0
0
0
0
0
0
0
1
0
0
0
1
0
0
0
0
1
1
0
1
0
0
1
0
1
0
1
0
0
1
0
1
1
0
X
1
X
X
1
0
0
0
1
1
0
0
1
0
1
0
0
1
1
1
0
1
0
X
1
1
0
0
1
1
1
0
1
0
1
1
0
1
1
1
1
1
0
X
1
X1
1
1
NONE
7
6 and 7
4 thru 7
0
0 and 1
0 thru 3
0 thru 7
7
7
7
7
0
0
0
0
0 thru 7
NONE
070000h – 07FFFFh
060000h – 07FFFFh
040000h – 07FFFFh
000000h – 00FFFFh
000000h – 01FFFFh
000000h – 03FFFFh
000000h – 07FFFFh
07F000h – 07FFFFh
07E000h – 07FFFFh
07C000h – 07FFFFh
078000h – 07FFFFh
000000h – 000FFFh
000000h – 001FFFh
000000h – 003FFFh
000000h – 007FFFh
000000h – 07FFFFh
NONE
64KB
128KB
256KB
64KB
128KB
256KB
512KB
4KB
8KB
16KB
32KB
4KB
8KB
16KB
32KB
512KB
NONE
Upper 1/8
Upper 1/4
Upper 1/2
Lower 1/8
Lower 1/4
Lower 1/2
ALL
Top Block
Top Block
Top Block
Top Block
Bottom Block
Bottom Block
Bottom Block
Bottom Block
ALL
Note:
1. x = don’t care
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