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參數(shù)資料
| 型號： | ES29DL320 |
| 廠商： | 優(yōu)先(蘇州)半導(dǎo)體有限公司 |
| 元件分類： | FLASH |
| 英文描述： | 32Mbit(4M x 8/2M x 16) CMOS 3.0 Volt-only, Simultaneous Operation Flash Memory |
| 中文描述： | 32兆位（4M×8/2M×16），3.0伏，CMOS，同時(shí)運(yùn)行閃存 |
| 文件頁數(shù)： | 24/59頁 |
| 文件大?。?/td> | 791K |
| 代理商： | ES29DL320 |
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ESI
24
Rev. 0E May 25, 2006
ES29DL320
Excel Semiconductor inc.
ADVANCED INFORMATION
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 a bank 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 in the
other bank. The autoselect command sequence is
initiated by first writing two unlock cycles. This is
followed by a third write cycle that contains the
bank address and the autoselect command. The
bank then enters the autoselect mode. The system
may read at any address within the same bank any
number of times without initiating another autose-
lect command sequence.
- A read cycle at address (BA) XX00h (where BA is
the bank address) returns the manufacturer code
- A read cycle at address (BA)XX01h in word mode
(or (BA)XX02h in byte mode) returns the device
code.
- A read cycle to an address containing a sector
address (SA) within the same bank, and the add-
ress 02h on A7 - A0 in word mode ( or the addre-
ss 04h on A6 - A-1 in byte mode) returns 01h if
the sector is protected, or 00h if it is unprotected.
(Refer to Table 2 for valid sector addresses).
The system must write the reset command to return
to the read mode (or erase-suspend-read mode if
the bank was previously in Erase Suspend).
Identifier Code
Address
Data
Manufacturer ID
00h
4Ah
Device ID
01h
41h(T),
81h(B)
Security Sector Factory
03h
82 / 02
Sector Group Protect Verify
(SA)02h
00 / 01
SECURITY SECTOR COMMAND
In the ES29DL320 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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| ES29DL320D | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:32Mbit(4M x 8/2M x 16) CMOS 3.0 Volt-only, Boot Sector Flash Memory |
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| ES29DL320D-70TG | 制造商:EXCELSEMI 制造商全稱:EXCELSEMI 功能描述:8Mbit(1M x 8/512K x 16) CMOS 3.0 Volt-only, Boot Sector Flash Memory |
| ES29DL320D-70WC | 制造商:EXCELSEMI 制造商全稱:EXCELSEMI 功能描述:8Mbit(1M x 8/512K x 16) CMOS 3.0 Volt-only, Boot Sector Flash Memory |
| ES29DL320D-90RTG | 制造商:EXCELSEMI 制造商全稱:EXCELSEMI 功能描述:8Mbit(1M x 8/512K x 16) CMOS 3.0 Volt-only, Boot Sector Flash Memory |
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