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| 型號： | PC28F640J3F75A |
| 元件分類： | PROM |
| 英文描述： | 4M X 16 FLASH 2.7V PROM, PBGA64 |
| 封裝： | LEAD FREE, BGA-64 |
| 文件頁數(shù)： | 39/66頁 |
| 文件大小： | 740K |
| 代理商： | PC28F640J3F75A |
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Numonyx Embedded Flash Memory (J3 65 nm) Single Bit per Cell (SBC)
Datasheet
March 2010
44
208032-02
Flowchart” on page 57. Any attempt to address Program OTP Register command
outside the defined PR address space will result in a Status Register error (SR.4 will be
set). Attempting to program a locked PR segment will result in a Status Register error
(SR.4 and SR.1 will be set).
9.8.7
Locking the 128-bit OTP Protection Register
The user-programmable segment of the PR is lockable by programming Bit 1 of the
Protection Lock Register (PLR) to 0. Bit 0 of this location is programmed to 0 at the
Numonyx factory to protect the unique device number. Bit 1 is set using the Protection
Program command to program “0xFFFD” to the PLR. After these bits have been
programmed, no further changes can be made to the values stored in the Protection
Register. Protection Program commands to a locked section will result in a Status
Register error (SR.4 and SR.1 will be set). The PR lockout state is not reversible.
Note:
A0 is not used in x16 mode when accessing the protection register map. See
Table 31 for x16 addressing. In x8 mode
A0 is used, see
Table 32 for x8 addressing.
Table 29: Programming the 128-bit Protection Register Command Bus-Cycles
Command
First Bus Cycle
Second Bus Cycle
Address Bus
Data Bus
Address Bus
Data Bus
Program OTP Register
Device Address
00C0h
Register Offset
Register Data
Table 30: Programming Protection Lock Register Command Bus-Cycles
Command
First Bus Cycle
Second Bus Cycle
Address Bus
Data Bus
Address Bus
Data Bus
Program OTP Register
Device Address
00C0h
80h
FFFDh
Figure 15: 128-bit Protection Register Memory Map
0x88
0x85
64- bit Segment
( User- Programmable)
0x84
0x81
0x80
Protection Lock Register
64- bit Segment
(Factory- Programmed)
15 14 13 12 11 10
9
8
7
6
5
4
3
2
1
0
128-Bit Protection Register
0x82
0x83
0x86
0x87
Word Address
128-Mbit: A[23:1]
64-Mbit: A[22:1]
32-Mbit: A[21:1]
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| PC28F640J3F75B | 制造商:Micron Technology Inc 功能描述:PARALLEL NOR - Tape and Reel |
| PC28F640J3F75B TR | 制造商:Micron Technology Inc 功能描述:IC FLASH 64MBIT 75NS TBGA |
| PC28F640J3F75D | 制造商:Micron Technology Inc 功能描述:NUMONYX EMBEDDED FLASH MEMORY (J3 65NM) SINGLE BIT PER CELL (SBC) 制造商:Micron Technology Inc 功能描述:NOR Flash Parallel 3V/3.3V 64Mbit 8M/4M x 8bit/16bit 75ns 64-Pin EBGA T/R 制造商:Micron Technology Inc 功能描述:PARALLEL NOR - Tape and Reel 制造商:Micron Technology 功能描述:NOR Flash Parallel 3V/3.3V 64Mbit 8M/4M x 8bit/16bit 75ns 64-Pin EBGA T/R 制造商:Micron Technology 功能描述:NUMONYX EMBEDDED FLASH MEMORY (J3 65NM) SINGLE BIT PER CELL (SBC) |
| PC28F640J3F75E | 制造商:Micron Technology Inc 功能描述:PARALLEL NOR - Trays |
| PC28F640P30B85 | 制造商:Intel 功能描述:MM#873919 64MB FLASH SOLD->NUM |
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