W25X40CL Datasheet, PDF (13/53 Pages) Winbond – 2.5/3/3.3 V 4M-BIT SERIAL FLASH MEMORY WITH 4KB SECTORS AND DUAL I/O SPI

W25X40CL
8.1.7 Status Register Memory Protection
STATUS REGISTER⁽¹⁾
W25X40CL (4M-BIT) MEMORY PROTECTION
TB BP2 BP1 BP0 BLOCK(S)
ADDRESSES
DENSITY
PORTION
x
0
0
0
NONE
NONE
NONE
NONE
0
0
0
1
7
070000h – 07FFFFh
64KB
Upper 1/8
0
0
1
0
6 and 7
060000h – 07FFFFh
128KB
Upper 1/4
0
0
1
1
4 thru 7
040000h – 07FFFFh
256KB
Upper 1/2
1
0
0
1
0
000000h – 00FFFFh
64KB
Lower 1/8
1
0
1
0
0 and 1
000000h – 01FFFFh
128KB
Lower 1/4
1
0
1
1
0 thru 3
000000h – 03FFFFh
256KB
Lower 1/2
x
1
x
x
0 thru 7
000000h – 07FFFFh
512KB
ALL
Note:
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 ignore.
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Publication Release Date: October 15, 2012
Revision E