W25X20CLUXIG-TR Datasheet, PDF (12/50 Pages) Winbond – 2M-BIT SERIAL FLASH MEMORY WITH 4KB SECTORS AND DUAL I/O SPI

W25X20CL
8.1.7 Status Register Memory Protection
STATUS REGISTER⁽¹⁾
W25X20CL (2M-BIT) MEMORY PROTECTION
TB
BP1
BP0
BLOCK(S)
ADDRESSES
DENSITY PORTION
x
0
0
0
0
1
1
0
1
1
x
1
0
NONE
NONE
NONE
NONE
1
3
030000h - 03FFFFh
64KB
Upper 1/4
0
2 and 3
020000h - 03FFFFh
128KB
Upper 1/2
1
0
000000h - 00FFFFh
64KB
Lower 1/4
0
0 and 1
000000h - 01FFFFh
128KB
Lower 1/2
1
0 thru 3
000000h - 03FFFFh
256KB
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: August 06, 2015
Revision F