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E28F640J3C-150 Datasheet

  • E28F640J3C-150

  • Intel StrataFlash Memory (J3)

  • 909.85KB

  • 72页

  • INTEL   INTEL

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256-Mbit J3 (x8/x16)
Table 25. Query Structure
Offset
00h
01h
(BA+2)h
10h
1Bh
27h
P
(3)
(2)
Sub-Section Name
Device Code
Block Status Register
Reserved
CFI Query Identification String
System Interface Information
Device Geometry Definition
Primary Intel-Specific Extended
Query Table
Description
Manufacturer Code
Block-Specific Information
Reserved for Vendor-Specific Information
Reserved for Vendor-Specific Information
Command Set ID and Vendor Data Offset
Flash Device Layout
Vendor-Defined Additional Information
Specific to the Primary Vendor Algorithm
Notes
1
1
1,2
1
1
1
1
1,3
04-0Fh
NOTES:
1. Refer to the Query Structure Output section and offset 28h for the detailed definition of offset
address as a function of device bus width and mode.
2. BA = Block Address beginning location (i.e., 02000h is block 2鈥檚 beginning location when the
block size is 128 Kbyte).
3. Offset 15 defines 鈥淧鈥?which points to the
Primary Intel-Specific Extended Query
Table.
A.3
Block Status Register
The block status register indicates whether an erase operation completed successfully or whether a
given block is locked or can be accessed for flash program/erase operations.
Table 26. Block Status Register
Offset
(BA+2)h
(1)
Length
1
Description
Block Lock Status Register
BSR.0 Block Lock Status
0 = Unlocked
1 = Locked
BSR 1鈥?:
Reserved for Future Use
Address
BA+2:
BA+2:
BA+2:
Value
--00 or --01
(bit 0): 0 or 1
(bit 1鈥?): 0
NOTE:
1. BA = The beginning location of a Block Address (i.e., 008000h is block 1鈥檚 (64-KB block) beginning location
in word mode).
A.4
CFI Query Identification String
The CFI Query Identification String provides verification that the component supports the
Common Flash Interface specification. It also indicates the specification version and supported
vendor-specified command set(s).
Table 27. CFI Identification (Sheet 1 of 2)
Offset
Length
Description
Add.
10
11:
12:
13:
14:
15:
16:
17:
Hex
Code
--51
--52
--59
--01
--00
--31
--00
--00
Value
鈥淨鈥?/div>
鈥淩鈥?/div>
鈥淵鈥?/div>
10h
13h
15h
17h
3
2
2
2
Query-unique ASCII string 鈥淨RY鈥?/div>
Primary vendor command set and control interface ID code.
16-bit ID code for vendor-specified algorithms
Extended Query Table primary algorithm address
Alternate vendor command set and control interface ID code.
54
Datasheet

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