RC28F640J3F75A NUMONYX, RC28F640J3F75A Datasheet - Page 45

• Manufacturer Part Number: RC28F640J3F75A
• Manufacturer: NUMONYX

Specifications of RC28F640J3F75A

• Lead Free Status / RoHS Status: Not Compliant

Numonyx
Table 31: Word-Wide Protection Register Addressing
Table 32: Byte-Wide Protection Register Addressing
9.8.8
March 2010
208032-02
Note:
Note:
LOCK
LOCK
Byte
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
LOCK
Word
0
1
2
3
4
5
6
7
All address lines not specified in the above table must be 0 when accessing the Protection Register (i.e., A[MAX:9] = 0.)
All address lines not specified in the above table must be 0 when accessing the Protection Register, i.e., A[MAX:9] = 0.
®
Embedded Flash Memory (J3 65 nm) Single Bit per Cell (SBC)
Factory
Factory
Factory
Factory
Factory
Factory
Factory
Factory
Both
Both
User
User
User
User
User
User
User
User
Use
VPEN Protection
When it’s necessary to protect the entire array, global protection can be achieved using
a hardware mechanism using VPP or VPEN. Whenever a valid voltage is present on VPP
or VPEN, blocks within the main flash array can be erased or programmed. By
grounding VPP or VPEN, blocks within the main array cannot be altered – attempts to
Factory
Factory
Factory
Factory
Both
User
User
User
User
Use
A8
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
A7
A8
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
A7
A6
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
A6
A5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
A5
A4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
A3
A4
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
A3
A2
0
0
0
0
1
1
1
1
0
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
A2
A1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
0
0
1
1
0
0
1
1
0
Datasheet
A1
A0
0
1
0
1
0
1
0
1
0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
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