参数资料
型号: PH28F640L18T85
厂商: INTEL CORP
元件分类: PROM
英文描述: StrataFlash Wireless Memory
中文描述: 4M X 16 FLASH 1.8V PROM, 85 ns, PBGA56
封装: 0.75 MM PITCH, LEAD FREE, VFBGA-56
文件页数: 69/106页
文件大小: 1272K
代理商: PH28F640L18T85
Intel StrataFlash Wireless Memory (L18)
Datasheet
Intel StrataFlash Wireless Memory (L18)
Order Number: 251902, Revision: 009
April 2005
69
.
Figure 29.
13.2.1
Reading the Protection Registers
The Protection Registers can be read from within any partition’s address space. To read the
Protection Register, first issue the Read Device Identifier command at any partitions’ address to
place that partition in the Read Device Identifier state (see
Section 9.2, “Device Commands” on
page 47
). Next, perform a read operation at that partition’s base address plus the address offset
corresponding to the register to be read.
Table 17, “Device Identifier Information” on page 77
shows the address offsets of the Protection Registers and Lock Registers. Register data is read 16
bits at a time.
Note:
If a program or erase operation occurs within the device while it is reading a Protection Register,
certain restrictions may apply. See
Table 15, “Simultaneous Operation Restrictions” on page 74
for
details.
Protection 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 Protection Register 16
(User-Programmable)
128-bit Protection Register 1
(User-Programmable)
0x88
0x85
0x84
64-bit Segment
(User-Programmable)
128-Bit Protection Register 0
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
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