P30-65nm SBC
Table 37: OTP Register Information
Offset(1) Length
Description
Hex
P = 10Ah
(P+E)h
(Optional flash features and commands)
Number of Protection register fields in JEDEC ID space.
“00h,” indicates that 256 protection fields are available
Add. Code Value
1
4
118: --02
2
(P+F)h
(P+10)h
(P+11)h
(P+12)h
Protection Field 1: Protection Description
119: --80
11A: --00
80h
00h
This field describes user-available One Time Programmable
(OTP) Protection register bytes. Some are pre-programmed
w ith device-unique serial numbers. Others are user
programmable. Bits 0–15 point to the Protection register Lock
byte, the section’s first byte. The follow ing bytes are factory
pre-programmed and user-programmable.
11B: --03 8 byte
11C: --03 8 byte
bits 0–7 = Lock/bytes Jedec-plane physical low address
bits 8–15 = Lock/bytes Jedec-plane physical high address
bits 16–23 = “n” such that 2n = factory pre-programmed bytes
bits 24–31 = “n” such that 2n = user programmable bytes
(P+13)h
(P+14)h
(P+15)h
(P+16)h
(P+17)h
(P+18)h
(P+19)h
(P+1A)h
(P+1B)h
(P+1C)h
10
Protection Field 2: Protection Description
Bits 0–31 point to the Protection register physical Lock-w ord
address in the Jedec-plane.
11D: --89
11E: --00
11F: --00
120: --00
121: --00
122: --00
123: --00
124: --10
125: --00
89h
00h
00h
00h
0
Follow ing bytes are factory or user-programmable.
bits 32–39 = “n” such that n = factory pgm'd groups (low byte)
bits 40–47 = “n” such that n = factory pgm'd groups (high byte)
bits 48–55 = “n” \ 2n = factory programmable bytes/group
bits 56–63 = “n” such that n = user pgm'd groups (low byte)
0
0
16
0
16
bits 64–71 = “n” such that n = user pgm'd groups (high byte)
bits 72–79 = “n” such that 2n = user programmable bytes/group
126:
--04
Datasheet
67
Apr 2010
OrderNumber:208033-02
MICRON [ MICRON TECHNOLOGY ]
