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