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參數(shù)資料
| 型號： | Am70PDL127CDH85IT |
| 廠商： | Advanced Micro Devices, Inc. |
| 英文描述： | 2 x 64 Megabit (8 M x 16-Bit) CMOS 3.0 Volt-Only Page Mode Flash Memory Data Storage 128 Megabit (8 M x 16-Bit) CMOS |
| 中文描述： | 2 × 64兆位（8米× 16位）的CMOS 3.0伏特，只有頁面模式閃存數(shù)據(jù)存儲128兆位（8米× 16位）的CMOS |
| 文件頁數(shù)： | 97/127頁 |
| 文件大?。?/td> | 849K |
| 代理商： | AM70PDL127CDH85IT |
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November 24, 2003
Am70PDL127CDH/Am70PDL129CDH
95
A D V A N C E I N F O R M A T I O N
non-erase-suspended sector. After completing a pro-
gramming operation in the Erase Suspend mode, the
system may once again read array data with the same
exception. See the
Erase Suspend/Erase Resume
Commands
section for more information.
The system must issue the reset command to return
the device to the read (or erase-suspend-read) mode if
DQ5 goes high during an active program or erase op-
eration, or if the device is in the autoselect mode. See
the next section,
Reset Command
, for more informa-
tion.
See also
Requirements for Reading Array Data
in the
Device Bus Operations
section for more information.
The
Read-Only Operations
table provides the read pa-
rameters, and Figure 14 shows the timing diagram.
Reset Command
Writing the reset command resets the device to the
read or erase-suspend-read mode. Address bits are
don’t cares for this command.
The reset command may be written between the se-
quence cycles in an erase command sequence before
erasing begins. This resets the device to the read
mode. Once erasure begins, however, the device ig-
nores reset commands until the operation is complete.
The reset command may be written between the
sequence cycles in a program command sequence
before programming begins. This resets the device to
the read mode. If the program command sequence is
written while the device is in the Erase Suspend mode,
writing the reset command returns the device to the
erase-suspend-read mode. Once programming be-
gins, however, the device ignores reset commands
until the operation is complete.
The reset command may be written between the se-
quence cycles in an autoselect command sequence.
Once in the autoselect mode, the reset command
must be written to return to the read mode. If the de-
vice entered the autoselect mode while in the Erase
Suspend mode, writing the reset command returns the
device to the erase-suspend-read mode.
If DQ5 goes high during a program or erase operation,
writing the reset command returns the device to the
read mode (or erase-suspend-read mode if the device
was in Erase Suspend).
Note that if DQ1 goes high during a Write Buffer Pro-
gramming operation, the system must write the
Write-to-Buffer-Abort Reset command sequence to
reset the device for the next operation.
Autoselect Command Sequence
The autoselect command sequence allows the host
system to read several identifier codes at specific ad-
dresses:
Note:
The device ID is read over three cycles. SA = Sector
Address
Tables
10
and
11
show the address requirements and
codes. The autoselect command sequence may be
written to an address that is either in the read or
erase-suspend-read mode. The autoselect command
may not be written while the device is actively pro-
gramming or erasing.
The autoselect command sequence is initiated by first
writing two unlock cycles. This is followed by a third
write cycle that contains the autoselect command. The
device then enters the autoselect mode. The system
may read at any address any number of times without
initiating another autoselect command sequence:
The system must write the reset command to return to
the read mode (or erase-suspend-read mode if the de-
vice was previously in Erase Suspend).
Enter SecSi Sector/Exit SecSi Sector
Command Sequence
The SecSi Sector region provides a secured data area
containing an 8-word/16-byte random Electronic Serial
Number (ESN). The system can access the SecSi
Sector region by issuing the three-cycle Enter SecSi
Sector command sequence. The device continues to
access the SecSi Sector region until the system is-
sues the four-cycle Exit SecSi Sector command se-
quence. The Exit SecSi Sector command sequence
returns the device to normal operation. Tables
10
and
11
show the address and data requirements for both
command sequences. See also “SecSi (Secured Sili-
con) Sector Flash Memory Region” for further informa-
tion. Note that the ACC function and unlock bypass
modes are not available when the SecSi Sector is en-
abled.
Word Program Command Sequence
Programming is a four-bus-cycle operation. The pro-
gram command sequence is initiated by writing two
unlock write cycles, followed by the program set-up
command. The program address and data are written
next, which in turn initiate the Embedded Program al-
gorithm. The system is notrequired to provide further
Identifier Code
A7:A0
(x16)
00h
01h
0Eh
0Fh
03h
(SA)02h
Manufacturer ID
Device ID, Cycle 1
Device ID, Cycle 2
Device ID, Cycle 3
SecSi Sector Factory Protect
Sector Protect Verify
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| Am70PDL129CDH | 2 x 64 Megabit (8 M x 16-Bit) CMOS 3.0 Volt-Only Page Mode Flash Memory Data Storage 128 Megabit (8 M x 16-Bit) CMOS |
| Am70PDL129CDH66IS | 2 x 64 Megabit (8 M x 16-Bit) CMOS 3.0 Volt-Only Page Mode Flash Memory Data Storage 128 Megabit (8 M x 16-Bit) CMOS |
| Am70PDL129CDH66IT | 2 x 64 Megabit (8 M x 16-Bit) CMOS 3.0 Volt-Only Page Mode Flash Memory Data Storage 128 Megabit (8 M x 16-Bit) CMOS |
| Am70PDL129CDH85IS | 2 x 64 Megabit (8 M x 16-Bit) CMOS 3.0 Volt-Only Page Mode Flash Memory Data Storage 128 Megabit (8 M x 16-Bit) CMOS |
| Am70PDL129CDH85IT | 2 x 64 Megabit (8 M x 16-Bit) CMOS 3.0 Volt-Only Page Mode Flash Memory Data Storage 128 Megabit (8 M x 16-Bit) CMOS |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AM70PDL129BDH | 制造商:SPANSION 制造商全稱:SPANSION 功能描述:2 x 64 Megabit (8 M x 16-Bit) CMOS 3.0 Volt-Only Page Mode Flash Memory Data Storage 128 Megabit (8 M x 16-Bit) CMOS |
| AM70PDL129BDH66I | 制造商:SPANSION 制造商全稱:SPANSION 功能描述:Stacked Multi-Chip Package (MCP/XIP) Flash Memory, Data storage MirrorBit Flash, and pSRAM (XIP) |
| AM70PDL129BDH66IS | 制造商:SPANSION 制造商全稱:SPANSION 功能描述:2 x 64 Megabit (8 M x 16-Bit) CMOS 3.0 Volt-Only Page Mode Flash Memory Data Storage 128 Megabit (8 M x 16-Bit) CMOS |
| AM70PDL129BDH66IT | 制造商:SPANSION 制造商全稱:SPANSION 功能描述:2 x 64 Megabit (8 M x 16-Bit) CMOS 3.0 Volt-Only Page Mode Flash Memory Data Storage 128 Megabit (8 M x 16-Bit) CMOS |
| AM70PDL129BDH85I | 制造商:SPANSION 制造商全稱:SPANSION 功能描述:Stacked Multi-Chip Package (MCP/XIP) Flash Memory, Data storage MirrorBit Flash, and pSRAM (XIP) |
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