M25PX64-VMF6P NUMONYX, M25PX64-VMF6P Datasheet - Page 46

• Manufacturer Part Number: M25PX64-VMF6P
• Description: 64MB NOR FLASH
• Manufacturer: NUMONYX

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Figure 21. Program OTP (POTP) instruction sequence
1. A23 to A7 are don't care.
2. 1 ≤ n ≤ 65.
Figure 22. How to permanently lock the 64 OTP bytes
S
C
DQ0
S
C
DQ0
Byte
0
MSB
Byte
7
40
1
0
6
41
Byte
2
1
5
42
Data byte 2
2
Instruction
4
43 44 45 46 47 48 49 50
3
3
4
2
5
1
6
0
MSB
7
7
MSB
23
64 data bytes
8
6
22 21
9 10
Bit 1 to bit 7 are not programmable
5
Data byte 3
24-bit address
X
4
51
X
3
52 53 54 55
3
28 29 30 31 32 33 34 35
X
2
2
1
X
1
0
X
0
MSB
7
X
MSB
7
6
X
6
5
Data byte 1
bit 0
5
Data byte n
4
4
OTP control byte
3
Byte
When bit 0 = 0
the 64 OTP bytes
become read only
36 37 38
63
3
2
ai13587
Byte
2
64
1
1
0
39
0
AI13575