256Mb and 512Mb (256Mb/256Mb), P30-65nm
Common Flash Interface
Table 22: CFI Database: Addresses and Sections
Address
00001:Fh
00010h
Section Name
Description
Reserved
Reserved for vendor-specific information
CFI ID string
Flash device command set ID (identification) and vendor da-
ta offset
0001Bh
00027h
P
System interface information
Device geometry definition
Flash device timing and voltage
Flash device layout
Primary Micron-specific extended query Vendor-defined informaton specific to the primary vendor
algorithm (offset 15 defines P which points to the primary
Micron-specific extended query table.)
Table 23: CFI ID String
Hex
Hex
Code
ASCII Value
(DQ[7:0])
Offset
Length
Description
Address
10:
10h
3
Query unique ASCII string “QRY”
- -51
- -52
- -59
- -01
- -00
Q
11:
R
12:
Y
13h
2
Primary vendor command set and control
interface ID code. 16-bit ID code for ven-
dor-specified algorithms.
13:
Primary vendor ID number
14:
15h
17h
2
2
Extended query table primary algorithm
address.
15:
16:
17:
18:
- -0A
- -01
- -00
- -00
Primary vendor table ad-
dress, primary algorithm
Alternate vendor command set and control
interface ID code. 0000h means no second
vendor-specified algorithm exists.
Alternate vendor ID number
19h
2
Secondary algorithm extended query table
address. 0000h means none exists.
19:
- -00
- -00
Primary vendor table ad-
dress, secondary algorithm
1A:
1. The CFI ID string provides verification that the device supports the CFI specification. It
also indicates the specification version and supported vendor-specific command sets.
Note:
PDF: 09005aef84566799
p30_65nm_MLC_256Mb-512mb.pdf - Rev. C 12/13 EN
Micron Technology, Inc. reserves the right to change products or specifications without notice.
56
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MICRON [ MICRON TECHNOLOGY ]
