参数资料
型号: W25Q40BLSNIP
厂商: WINBOND ELECTRONICS CORP
元件分类: PROM
英文描述: 4M X 1 SPI BUS SERIAL EEPROM, PDSO8
封装: 3.81 MM, GREEN, PLASTIC, SOIC-8
文件页数: 6/73页
文件大小: 2221K
代理商: W25Q40BLSNIP
W25Q40BL
- 14 -
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
X
0
NONE
0
1
7
070000h – 07FFFFh
64KB
Upper 1/8
0
1
0
6 and 7
060000h – 07FFFFh
128KB
Upper 1/4
0
1
4 thru 7
040000h – 07FFFFh
256KB
Upper 1/2
0
1
0
1
0
000000h – 00FFFFh
64KB
Lower 1/8
0
1
0
1
0
0 and 1
000000h – 01FFFFh
128KB
Lower 1/4
0
1
0
1
0 thru 3
000000h – 03FFFFh
256KB
Lower 1/2
0
X
1
X
0 thru 7
000000h – 07FFFFh
512KB
ALL
1
0
1
7
07F000h – 07FFFFh
4KB
Upper 1/128
1
0
1
0
7
07E000h – 07FFFFh
8KB
Upper 1/64
1
0
1
7
07C000h – 07FFFFh
16KB
Upper 1/32
1
0
1
0
X
7
078000h – 07FFFFh
32KB
Upper 1/16
1
0
1
0
7
078000h – 07FFFFh
32KB
Upper 1/16
1
0
1
0
000000h – 000FFFh
4KB
Lower 1/128
1
0
1
0
000000h – 001FFFh
8KB
Lower 1/64
1
0
1
0
000000h – 003FFFh
16KB
Lower 1/32
1
0
X
0
000000h – 007FFFh
32KB
Lower 1/16
1
0
000000h – 007FFFh
32KB
Lower 1/16
1
X
1
0 thru 7
000000h – 07FFFFh
512KB
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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