EN25Q32C Datasheet, PDF (10/62 Pages) Eon Silicon Solution Inc. – 32 Megabit Serial Flash Memory with 4Kbyte Uniform Sector

Table 3. Protected Area Sizes Sector Organization
EN25Q32C
Status Register Content
BP3 BP2 BP1 BP0
Bit Bit Bit Bit
Protect Areas
0
0
0
0
None
0
0
0
1
Block 0 to 62
0
0
1
0
Block 0 to 61
0
0
1
1
Block 0 to 59
0
1
0
0
Block 0 to 55
0
1
0
1
Block 0 to 47
0
1
1
0
Block 0 to 31
0
1
1
1
All
1
0
0
0
None
1
0
0
1
Block 63 to 1
1
0
1
0
Block 63 to 2
1
0
1
1
Block 63 to 4
1
1
0
0
Block 63 to 8
1
1
0
1
Block 63 to 16
1
1
1
0
Block 63 to 32
1
1
1
1
All
Memory Content
Addresses
Density(KB) Portion
None
000000h-3EFFFFh
000000h-3DFFFFh
000000h-3BFFFFh
000000h-37FFFFh
000000h-2FFFFFh
000000h-1FFFFFh
000000h-3FFFFFh
None
3FFFFFh-010000h
3FFFFFh-020000h
3FFFFFh-040000h
3FFFFFh-080000h
3FFFFFh-100000h
3FFFFFh-200000h
000000h-3FFFFFh
None
4032KB
3968KB
3840KB
3584KB
3072KB
2048KB
4096KB
None
4032KB
3968KB
3840KB
3584KB
3072KB
2048KB
4096KB
None
Lower 63/64
Lower 62/64
Lower 60/64
Lower 56/64
Lower 48/64
Lower 32/64
All
None
Upper 63/64
Upper 62/64
Upper 60/64
Upper 56/64
Upper 48/64
Upper 32/64
All
Enable Boot Lock
The Enable Boot Lock feature enables user to lock the 64KB block/sector on the top/bottom of the
device for protection. This feature is activated by issue Writing Status Register (05h) after entering OTP
mode.
The bits’ definitions are described in the following table.
Table 4. The Enable Boot Lock feature
Register
S3
S4
S6
Type
OTP
OTP
OTP
Description
Enable 64KB-block/Sector Boot lock
64KB-Block/Sector switch
Top/Bottom switch
Function
0 (default)
1 : Permanent lock selected
64KB-Block/Sector
0 : 64KB-Block (default)
1 : Sector
0 : Top (default)
1 : Bottom
This Data Sheet may be revised by subsequent versions
10
or modifications due to changes in technical specifications.
©2014 Eon Silicon Solution, Inc.,
Rev. A, Issue Date: 2014/01/10
www.eonssi.com