PF38F5070M0Q0B0 NUMONYX [Numonyx B.V], PF38F5070M0Q0B0 Datasheet - Page 110
PF38F5070M0Q0B0
Manufacturer Part Number
PF38F5070M0Q0B0
Description
Manufacturer
NUMONYX [Numonyx B.V]
Datasheet
1.PF38F5070M0Q0B0.pdf
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12.0
12.1
Table 49: Summary of Query Structure Output as a Function of Device and Mode
Table 50: Example of Query Structure Output of x16 Devices (Sheet 1 of 2)
Datasheet
110
Device Addresses
00010h
00011h
00012h
00013h
00014h
A
Offset
X
- A
0
Common Flash Interface
The Common Flash Interface (CFI) is part of an overall specification for multiple
command-set and control-interface descriptions. It describes the database structure
containing the data returned by a read operation after issuing the CFI Query command.
System software can parse this database structure to obtain information about the
flash device, such as block size, density, bus width, and electrical specifications. The
system software will then know which command set(s) to use to properly perform flash
writes, block erases, reads and otherwise control the flash device.
Query Structure Output
The Query database allows system software to obtain information for controlling the
flash device. This section describes the device’s CFI-compliant interface that allows
access to Query data.
Query data are presented on the lowest-order data outputs (A/DQ
numerical offset value is the address relative to the maximum bus width supported by
the device. On this family of devices, the Query table device starting address is a 10h,
which is a word address for x16 devices.
For a word-wide (x16) device, the first two Query-structure bytes, ASCII “Q” and “R,”
appear on the low byte at word addresses 10h and 11h. This CFI-compliant device
outputs 00h data on upper bytes. The device outputs ASCII “Q” in the low byte
(A/DQ
At Query addresses containing two or more bytes of information, the least significant
data byte is presented at the lower address, and the most significant data byte is
presented at the higher address.
In all of the following tables, addresses and data are represented in hexadecimal
notation, so the “h” suffix has been dropped. In addition, since the upper byte of word-
wide devices is always “00h,” the leading “00” has been dropped from the table
notation and only the lower byte value is shown. Any x16 device outputs can be
assumed to have 00h on the upper byte in this mode.
Device
0051
0052
0059
P_ID
P_ID
Word Addressing
7-0
LO
HI
Hex Code
) and 00h in the high byte (A/DQ
A
15
- A
“Q”
“R”
“Y”
PrVendor
ID#
0
00010:
00011:
Value
Offset
Hex
00010h
00011h
00012h
00013h
00014h
15-8
A
Offset
X
Numonyx™ StrataFlash
).
- A
51
52
0
Code
Hex
Byte Addressing
0051
0052
0059
P_ID
P_ID
Hex Code
LO
LO
®
7-0
Cellular Memory (M18)
“Q”
“R”
A
) only. The
7
“Q”
“R”
“Y”
PrVendor
ID#
- A
0
ASCII
Value
309823-10
April 2008
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