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參數(shù)資料
| 型號： | EN29LV160AT-70TCP |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | Replaced by PTN78000W : |
| 中文描述： | 16兆位（2048K × 8 -位/ 1024 kX的16位）閃存 |
| 文件頁數(shù)： | 9/43頁 |
| 文件大?。?/td> | 930K |
| 代理商： | EN29LV160AT-70TCP |
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To access the autoselect codes in-system; the host system can issue the autoselect command via
the command register, as shown in the Command Definitions table. This method does not require
V
ID
. See “Command Definitions” for details on using the autoselect mode.
Write Mode
Programming is a four-bus-cycle operation. The program 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 algorithm. The system is not required
to provide further controls or timings. The device automatically provides internally generated
program pulses and verifies the programmed cell margin. The Command Definitions in Table 5 show
the address and data requirements for the byte program command sequence.
When the Embedded Program algorithm is complete, the device then returns to reading array data
and addresses are no longer latched. The system can determine the status of the program operation
by using DQ7 or DQ6. See “Write Operation Status” for information on these status bits.
Any commands written to the device during the Embedded Program Algorithm are ignored.
Programming is allowed in any sequence and across sector boundaries.
A bit cannot be
programmed from a “0” back to a “1”.
Attempting to do so may halt the operation and set DQ5 to
“1”, or cause the Data# Polling algorithm to indicate the operation was successful. However, a
succeeding read will show that the data is still “0”. Only erase operations can convert a “0” to a “1”.
Sector Protection/Unprotection
The hardware sector protection feature disables both program and erase operations in any sector.
The hardware sector unprotection feature re-enables both program and erase operations in
previously protected sectors.
There are two methods to enabling this hardware protection circuitry. The first one requires only
that the RESET# pin be at VID and then standard microprocessor timings can be used to enable or
disable this feature. See Flowchart 7a and 7b for the algorithm and Figure 12 for the timings.
When doing Sector Unprotect, all the other sectors should be protected first.
The second method is meant for programming equipment. This method requires VID be applied to
both OE# and A9 pin and non-standard microprocessor timings are used. This method is described
in a separate document called EN29LV160A Supplement, which can be obtained by contacting a
representative of Eon Silicon Solution, Inc.
Temporary Sector Unprotect
This feature allows temporary unprotection of previously protected
sector groups to change data while in-system. The Sector
Unprotect mode is activated by setting the RESET# pin to V
ID
.
During this mode, formerly protected sectors can be programmed
or erased by simply selecting the sector addresses. Once is
removed from the RESET# pin, all the previously protected sectors
are protected again. See accompanying figure and timing
diagrams for more details.
Notes:
1. All protected sectors unprotected.
2. Previously protected sectors protected
again.
This Data Sheet may be revised by subsequent versions 2004 Eon Silicon Solution, Inc., www.essi.com.tw
or modifications due to changes in technical specifications.
Rev. C, Issue Date: 2005/01/07
EN29LV160A
Start
Reset#=V
ID
(note 1)
Perform Erase or Program
Operations
Reset#=V
IH
Temporary Sector
Unprotect Completed
(note 2)
相關PDF資料 |
PDF描述 |
|---|---|
| EN29LV160AT-70TI | Replaced by PTN78000W : |
| EN29LV160AT-70TIP | Replaced by PTN78000W : |
| EN29LV160AT-90BC | Replaced by PTN78000W : 12VOUT 1A WIDE INPUT POSITIVE STEP-DOWN ISR 3-SIP MODULE |
| EN29LV160AT-90BCP | Replaced by PTN78000W : |
| EN29LV160AT-90BI | Replaced by PTN78000W : |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| EN29LV160BB-70BIP | 制造商:EON SILICON SOLUTION INC 功能描述:EN29LV160 Series 16 Mbit (2 M x 8) 3.6 V 70 ns Boot Sector NOR Flash 制造商:Eon Silicon Solution Inc 功能描述:EN29LV160 Series 16 Mbit (2 M x 8) 3.6 V 70 ns Boot Sector NOR Flash |
| EN29LV160BT-70TIP | 制造商:EON SILICON SOLUTION INC 功能描述:EN29LV160 Series 16 Mbit (2 M x 8) 3.6 V 70 ns Boot Sector NOR Flash |
| EN29LV160CB-70TIP | 制造商:EON SILICON SOLUTION INC 功能描述:FLASH, 3V Read Program Erase 16 Megabit (2M x 8 / 1M x 16) 70ns TSOP |
| EN29LV320AT-70TCP | 制造商:EON SILICON SOLUTION INC 功能描述:EN29LV320A Series, 32 Mbit 70 NS 48 TSOP Top Boot Sector 3 V NOR Flash |
| EN29LV320B-70TCP | 制造商:EON SILICON SOLUTION INC 功能描述:32 Megabit, CMOS, 3V, Boot Sector Flash Memory, TSOP-48 |
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