W25Q40BL Datasheet, PDF (15/73 Pages) Winbond – 2.5V 4M-BIT SERIAL FLASH MEMORY WITH DUAL AND QUAD SPI

W25Q40BL
8.1.12 Status Register Memory Protection (CMP = 1)
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
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
XX1
1
1
0 thru 7
0 thru 6
0 thru 5
0 thru 3
1 thru 7
2 thru 7
4 thru 7
0 thru 7
0 thru 7
0 thru 7
0 thru 7
0 thru 7
0 thru 7
0 thru 7
0 thru 7
0 thru 7
0 thru 7
NONE
000000h – 07FFFFh
000000h – 06FFFFh
000000h – 05FFFFh
000000h – 03FFFFh
010000h – 07FFFFh
020000h – 07FFFFh
040000h – 07FFFFh
000000h – 07EFFFh
000000h – 07DFFFh
000000h – 07BFFFh
000000h – 077FFFh
000000h – 077FFFh
001000h – 07FFFFh
002000h – 07FFFFh
004000h – 07FFFFh
008000h – 07FFFFh
008000h – 07FFFFh
NONE
512KB
448KB
384KB
256KB
448KB
384KB
256KB
508KB
504KB
496KB
480KB
480KB
508KB
504KB
496KB
480KB
480KB
NONE
ALL
Lower 7/8
Lower 3/4
Lower 1/2
Upper 7/8
Upper 3/4
Upper 1/2
Lower 127/128
Lower 63/64
Lower 31/32
Lower 15/16
Lower 15/16
Upper 127/128
Upper 63/64
Upper 31/32
Upper 15/16
Upper 15/16
NONE
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.
- 15 -
Publication Release Date: July 08, 2010
Preliminary - Revision B