CAT25080LI Datasheet, PDF (6/19 Pages) ON Semiconductor – 8-Kb and 16-Kb SPI Serial CMOS EEPROM

CAT25080, CAT25160
Table 10. STATUS REGISTER
7
6
5
WPEN
0
0
4
3
2
1
0
0
BP1
BP0
WEL
RDY
Table 11. BLOCK PROTECTION BITS
Status Register Bits
BP1
BP0
Array Address Protected
0
0
None
0
1
25080: 0300−03FF
25160: 0600−07FF
1
0
25080: 0200−03FF
25160: 0400−07FF
1
1
25080: 0000−03FF
25160: 0000−07FF
Protection
No Protection
Quarter Array Protection
Half Array Protection
Full Array Protection
Table 12. WRITE PROTECT CONDITIONS
WPEN
WP
0
X
0
X
1
Low
1
Low
X
High
X
High
WEL
0
1
0
1
0
1
Protected Blocks
Protected
Protected
Protected
Protected
Protected
Protected
Unprotected Blocks
Protected
Writable
Protected
Writable
Protected
Writable
Status Register
Protected
Writable
Protected
Protected
Protected
Writable
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