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JS28F128P30TF75A 데이터시트(PDF) 41 Page - Micron Technology

부품명 JS28F128P30TF75A
상세설명  Numonyx Axcell P30-65nm Flash Memory
PDF  90 Pages
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제조업체  MICRON [Micron Technology]
홈페이지  http://www.micron.com
Logo MICRON - Micron Technology

JS28F128P30TF75A 데이터시트(HTML) 41 Page - Micron Technology

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Datasheet
Apr 2010
41
Order Number:208033-02
P30-65nm SBC
bits, as long as the register remains unlocked. Additionally, because the Lock Register
bits themselves are OTP, when programmed, Lock Register bits cannot be erased.
Therefore, when a OTP Register is locked, it cannot be unlocked.
11.3.1
Reading the OTP Registers
The OTP Registers can be read from OTP-RA address. To read the OTP Register, first
issue the Read Device Identifier command at OTP-RA address to place the device in the
Read Device Identifier state (see Section 6.2, “Device Command Bus Cycles” on
page 20). Next, perform a read operation using the address offset corresponding to the
register to be read. Table 8, “Device Identifier Information” on page 22 shows the
address offsets of the OTP Registers and Lock Registers. OTP Registers and Lock
Registers data is read 16 bits at a time.
Figure 14: OTP Register Map
0x89
Lock Register 1
15 14 13 12 11 10 9
8
7
6
5
4
3
2
1
0
0x102
0x109
0x8A
0x91
128-bit OTP Register 16
(User-Programmable)
128-bit OTP Register 1
(User-Programmable)
0x88
0x85
64-bit Segment
(User-Programmable)
0x84
0x81
0x80
Lock Register 0
64-bit Segment
(Factory-Programmed)
15 14 13 12 11 10 9
8
7
6
5
4
3
2
1
0
128-Bit OTP Register 0



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