W25Q40BL Datasheet, PDF (14/73 Pages) Winbond – 2.5V 4M-BIT SERIAL FLASH MEMORY WITH DUAL AND QUAD SPI

W25Q40BL
8.1.11 Status Register Memory Protection (CMP = 0)
STATUS REGISTER⁽¹⁾
W25Q40BL (4M-BIT) MEMORY PROTECTION⁽²⁾
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
0
1
1
0
1
1
0
0
1
1
1
0
1
0
1
1
0
1
1
1
1
1
0
X
1
1
1
1
0
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
7
0
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
078000h – 07FFFFh
000000h – 000FFFh
000000h – 001FFFh
000000h – 003FFFh
000000h – 007FFFh
000000h – 007FFFh
000000h – 07FFFFh
NONE
64KB
128KB
256KB
64KB
128KB
256KB
512KB
4KB
8KB
16KB
32KB
32KB
4KB
8KB
16KB
32KB
32KB
512KB
NONE
Upper 1/8
Upper 1/4
Upper 1/2
Lower 1/8
Lower 1/4
Lower 1/2
ALL
Upper 1/128
Upper 1/64
Upper 1/32
Upper 1/16
Upper 1/16
Lower 1/128
Lower 1/64
Lower 1/32
Lower 1/16
Lower 1/16
ALL
Notes:
1. X = don’t care
2. If any Erase or Program command specifies a memory region that contains protected data portion, this
command will be ignored.
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