W25Q64DW
10.1.11 W25Q64DW Status Register Memory Protection (CMP = 0)
STATUS REGISTER (1)
W25Q64DW (64M-BIT) MEMORY PROTECTION (3)
SEC
X
0
0
0
0
0
0
0
0
0
0
0
0
X
1
1
1
1
1
1
1
1
TB
X
0
0
0
0
0
0
1
1
1
1
1
1
X
0
0
0
0
1
1
1
1
BP2
0
0
0
0
1
1
1
0
0
0
1
1
1
1
0
0
0
1
0
0
0
1
BP1
0
0
1
1
0
0
1
0
1
1
0
0
1
1
0
1
1
0
0
1
1
0
BP0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
1
0
1
X
1
0
1
X
PROTECTED
BLOCK(S)
NONE
126 and 127
124 thru 127
120 thru 127
112 thru 127
96 thru 127
64 thru 127
0 and 1
0 thru 3
0 thru 7
0 thru 15
0 thru 31
0 thru 63
0 thru 127
127
127
127
127
0
0
0
0
PROTECTED
ADDRESSES
NONE
7E0000h – 7FFFFFh
7C0000h – 7FFFFFh
780000h – 7FFFFFh
700000h – 7FFFFFh
600000h – 7FFFFFh
400000h – 7FFFFFh
000000h – 01FFFFh
000000h – 03FFFFh
000000h – 07FFFFh
000000h – 0FFFFFh
000000h – 1FFFFFh
000000h – 3FFFFFh
000000h – 7FFFFFh
7FF000h – 7FFFFFh
7FE000h – 7FFFFFh
7FC000h – 7FFFFFh
7F8000h – 7FFFFFh
000000h – 000FFFh
000000h – 001FFFh
000000h – 003FFFh
000000h – 007FFFh
PROTECTED
DENSITY
NONE
128KB
256KB
512KB
1MB
2MB
4MB
128KB
256KB
512KB
1MB
2MB
4MB
8MB
4KB
8KB
16KB
32KB
4KB
8KB
16KB
32KB
PROTECTED
PORTION (2)
NONE
Upper 1/64
Upper 1/32
Upper 1/16
Upper 1/8
Upper 1/4
Upper 1/2
Lower 1/64
Lower 1/32
Lower 1/16
Lower 1/8
Lower 1/4
Lower 1/2
ALL
U – 1/2048
U – 1/1024
U – 1/512
U – 1/256
L – 1/2048
L – 1/1024
L – 1/512
L – 1/256
Note:
1. X = don’t care
2. L = Lower; U = Upper
3. If any Erase or Program command specifies a memory region that contains protected data portion, this
command will be ignored.
- 16 -
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相关代理商/技术参数
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