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JS28F256P30B95A Datasheet(PDF) 28 Page - Micron Technology

Part # JS28F256P30B95A
Description  Numonyx StrataFlash Embedded Memory
PDF  97 Pages
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Manufacturer  MICRON [Micron Technology]
Direct Link  http://www.micron.com
Logo MICRON - Micron Technology

JS28F256P30B95A Datasheet(HTML) 28 Page - Micron Technology

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P30
Datasheet
August 2008
28
306666-12
7.3
Read Device Identifier
The Read Device Identifier command instructs the device to output manufacturer code,
device identifier code, block-lock status, protection register data, or configuration
register data.
7.4
Read CFI
The Read CFI command instructs the device to output Common Flash Interface (CFI)
data when read. See Section 6.0, “Command Set” on page 24 for details on issuing the
Read CFI command. Appendix A, “Common Flash Interface Tables” on page 70 shows
CFI information and address offsets within the CFI database.
Table 13: Device Identifier Information
Item
Address(1)
Data
Manufacturer Code
0x00
0089h
Device ID Code
0x01
ID
Block Lock Configuration:
BBA + 0x02
Lock Bit:
• Block Is Unlocked
DQ0 = 0b0
• Block Is Locked
DQ0 = 0b1
• Block Is not Locked-Down
DQ1 = 0b0
• Block Is Locked-Down
DQ1 = 0b1
Read Configuration Register
0x05
RCR Contents
Lock Register 0
0x80
PR-LK0
64-bit Factory-Programmed Protection Register
0x81–0x84
Factory Protection Register Data
64-bit User-Programmable Protection Register
0x85–0x88
User Protection Register Data
Lock Register 1
0x89
PR-LK1
128-bit User-Programmable Protection Registers
0x8A–0x109
Protection Register Data
Notes:
1.
BBA = Block Base Address.
Table 14: Device ID codes
ID Code Type
Device Density
Device Identifier Codes
–T
(Top Parameter)
–B
(Bottom Parameter)
Device Code
64-Mbit
8817
881A
128-Mbit
8818
881B
256-Mbit
8919
891C
Note:
The 512-Mbit devices do not have a Device ID associated with them. Each die within the stack can be identified by
either of the 256-Mbit Device ID codes depending on its parameter option.



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