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參數(shù)資料
| 型號(hào)： | ES29DL400E-12RTG |
| 廠(chǎng)商： | 優(yōu)先(蘇州)半導(dǎo)體有限公司 |
| 英文描述： | 32Mbit(4M x 8/2M x 16) CMOS 3.0 Volt-only, Boot Sector Flash Memory |
| 中文描述： | 32兆（4米× 8/2M × 16），3.0伏的CMOS只，引導(dǎo)扇區(qū)閃存 |
| 文件頁(yè)數(shù)： | 24/59頁(yè) |
| 文件大?。?/td> | 603K |
| 代理商： | ES29DL400E-12RTG |
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ESI
24
Rev. 2D Jan 5, 2006
ES29LV320D
Excel Semiconductor inc.
AUTOSELECT COMMAND
The autoselect command sequence allows the host
system to access the manufacturer and device
codes, and determine whether or not a sector is
protected, including information about factory-
locked or customer lockable version.
Table 9 shows the address and data requirements.
This method is an alternative to “A9 high-voltage
method” shown in Table 2, which is intended for
PROM programmers and requires V
ID
on address
pin
A9. The autoselect command sequence may be
written to an address within sector that is either in
the read mode or erase-suspend-read mode. The
auto-select command may not be written while the
device is actively programming 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 com-
mand sequence.
Once after the device enters the auto-select mode,
the manufacture ID code ( 4Ah ) can be accessed
by one of two ways. Just one read cycle ( with A6,
A1 and A0 = 0 ) can be used. Or four consecutive
read cycles ( with A6 = 1 and A1, A0 = 0 ) for con-
tinuation codes (7Fh) and then another last cycle
for the code (4Ah) (with A6, A1 and A0 = 0) can be
used for reading the manufacturer code.
- 4Ah (one-cycle read)
- 7Fh 7Fh 7Fh 7Fh 4Ah (Five-cycle read)
The system must write the reset command to return
to the read mode (or erase-suspend-read mode if
the device was previously in Erase Suspend).
Identifier Code
Address
Data
Manufacturer ID
00h
4Ah
Device ID
01h
F6(T),
F9h(B)
Security Sector Factory Protect
03h
99 / 19
Sector Group Protect Verify
(SA)02h
00 / 01
SECURITY SECTOR COMMAND
In the ES29LV320 device, the security sector region
(256 bytes) provides a secured data area containing
a random, sixteen-byte electronic serial num-
ber(ESN) or customer’s security codes. The secu-
rity sector region can be accessed by issuing the
three-cycle
Enter Security Sector command
sequence. The device continues to access the
security sector region until the system issues the
four-cycle
Exit
Security
sequence. The Exit Security Sector command
sequence returns the device to normal operation.
Table 9 shows the address and data requirements
for both command sequences. Note that the
accel-
erated programming
function by WP#ACC and
unlock bypass
mode are not available when the
device has entered the security sector. Refer to the
Fig. 7 for the security sector operation.
Sector
command
Read Mode
Enter Security
Sector Command
Program, Erase or
Protection
Exit Security
Sector Command
Read Mode
Figure 7
.
Security Sector Operation
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PDF描述 |
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| ES29DL400F-12RTG | 32Mbit(4M x 8/2M x 16) CMOS 3.0 Volt-only, Boot Sector Flash Memory |
| ES29DL640D-12RTG | 32Mbit(4M x 8/2M x 16) CMOS 3.0 Volt-only, Boot Sector Flash Memory |
| ES29DL640E-12RTG | 32Mbit(4M x 8/2M x 16) CMOS 3.0 Volt-only, Boot Sector Flash Memory |
| ES29DL640F-12RTG | 32Mbit(4M x 8/2M x 16) CMOS 3.0 Volt-only, Boot Sector Flash Memory |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ES29DL400E-90RTG | 制造商:EXCELSEMI 制造商全稱(chēng):EXCELSEMI 功能描述:8Mbit(1M x 8/512K x 16) CMOS 3.0 Volt-only, Boot Sector Flash Memory |
| ES29DL400E-90RWCI | 制造商:EXCELSEMI 制造商全稱(chēng):EXCELSEMI 功能描述:4Mbit(512Kx 8/256K x 16) CMOS 3.0 Volt-only, Boot Sector Flash Memory |
| ES29DL400EB-12TG | 制造商:EXCELSEMI 制造商全稱(chēng):EXCELSEMI 功能描述:16Mbit(2M x 8/1M x 16) CMOS 3.0 Volt-only, Boot Sector Flash Memory |
| ES29DL400ET-90RTGI | 制造商:EXCELSEMI 制造商全稱(chēng):EXCELSEMI 功能描述:4Mbit(512Kx 8/256K x 16) CMOS 3.0 Volt-only, Boot Sector Flash Memory |
| ES29DL400ET-90TGI | 制造商:EXCELSEMI 制造商全稱(chēng):EXCELSEMI 功能描述:16Mbit(2M x 8/1M x 16) CMOS 3.0 Volt-only, Boot Sector Flash Memory |
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