1-Gbit P30 Family
C.3
CFI Query Identification String
The 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 34.
CFI Identification
Hex
Offset Length
Description
Query-unique ASCII string “QRY“
Code
--51
--52
--59
--01
--00
--0A
--01
--00
--00
--00
--00
Add.
10:
11:
12:
13:
14:
15:
16:
17:
18:
19:
1A:
Value
"Q"
"R"
3
10h
"Y"
2
2
2
2
Primary vendor command set and control interface ID code.
16-bit ID code for vendor-specified algorithms
Extended Query Table primary algorithm address
13h
15h
17h
19h
Alternate vendor command set and control interface ID code.
0000h means no second vendor-specified algorithm exists
Secondary algorithm Extended Query Table address.
0000h means none exists
Table 35.
System Interface Information
Hex
Offset
Length
Description
Add. Code Value
1Bh
1
V
CC logic supply minimum program/erase voltage
bits 0–3 BCD 100 mV
bits 4–7 BCD volts
1B:
1C:
1D:
1E:
--17
--20
--85
--95
1.7V
2.0V
8.5V
9.5V
1Ch
1Dh
1Eh
1
1
1
VCC logic supply maximum program/erase voltage
bits 0–3 BCD 100 mV
bits 4–7 BCD volts
PP [programming] supply minimum program/erase voltage
V
bits 0–3 BCD 100 mV
bits 4–7 HEX volts
VPP [programming] supply maximum program/erase voltage
bits 0–3 BCD 100 mV
bits 4–7 HEX volts
“n” such that typical single word program time-out = 2n µ-sec
“n” such that typical max. buffer write time-out = 2n µ-sec
“n” such that typical block erase time-out = 2n m-sec
“n” such that typical full chip erase time-out = 2n m-sec
“n” such that maximum word program time-out = 2n times typical
“n” such that maximum buffer write time-out = 2n times typical
“n” such that maximum block erase time-out = 2n times typical
“n” such that maximum chip erase time-out = 2n times typical
1Fh
20h
21h
22h
23h
24h
25h
26h
1
1
1
1
1
1
1
1
1F:
20:
21:
22:
23:
24:
25:
26:
--08 256µs
--09 512µs
--0A
--00
1s
NA
--01 512µs
--01 1024µs
--02
--00
4s
NA
Datasheet
Intel StrataFlash® Embedded Memory (P30)
Order Number: 306666, Revision: 001
April 2005
95