參數(shù)資料
型號(hào)： X76F102XI
英文描述： The X76F102 is a Password Access Security Supervisor, containing one 896-bit Secure SerialFlash array
中文描述： 該X76F102是一個(gè)密碼訪問(wèn)安全主管，包含一個(gè)896位安全SerialFlash陣列
文件頁(yè)數(shù)： 7/18頁(yè)
文件大?。?/td> 103K
代理商： X76F102XI
X76F102
7
PASSWORDS
Passwords are changed by sending the "change read
password" or "change write password" commands in a
normal sector write operation. A full eight bytes contain-
ing the new password must be sent, following successful
transmission of the current write password and a valid
password ACK response. The user can use a repeated
ACK Polling command to check that a new password has
been written correctly. An ACK indicates that the new
password is valid.
There is no way to read any of the passwords.
RESPONSE TO RESET (DEFAULT = 19 02 AA 55)
The ISO Response to reset is controlled by the RST and
CLK pins. When RST is pulsed high during a clock pulse,
the device will output 32 bits of data, one bit per clock,
and it resets to the standy state. This conforms to the ISO
standard for “synchronous response to reset”. The part
must not be in a write cycle for the response to reset to
occur.
After initiating a nonvolatile write cycle the RST pin must
not be pulsed until the nonvolatile write cycle is complete.
If not, the ISO response will not be activated. If the RST
is pulsed HIGH and the CLK is within the RST pulse
(meet the t
NOL
spec.) in the middle of an ISO transaction,
it will output the 32 bit sequence again (starting at bit 0).
Otherwise, this aborts the ISO operation and the part
returns to standby state. If the RST is pulsed HIGH and
the CLK is outside the RST pulse (in the middle of an
ISO transaction), this aborts the ISO operation and the
part returns to standby state.
If there is power interrupted during the Response to
Reset, the response to reset will be aborted and the part
will return to the standby state. A Response to Reset is
not available during a nonvolatile write cycle.
Figure 7. Response to RESET (RST)
SCK
SO
RST
Byte
0
MSB
LSB
LSB
MSB
1
LSB
MSB
LSB
MSB
2
3
1 0
0
0 0
1 1
1
0
0
0
1
0
0 0
0
0
0
0
0
1
1
0
1
1
1
0
0
0
1
1
0
ABSOLUTE MAXIMUM RATINGS*
Temperature under Bias ..................... –65°C to +135°C
Storage Temperature ..........................–65°C to +150°C
Voltage on any Pin with
Respect to V
SS
.......................................–1V to +7V
D.C. Output Current..................................................5mA
Lead Temperature
(Soldering, 10 seconds)..................................300°C
*COMMENT
Stresses above those listed under “Absolute Maximum
Ratings” may cause permanent damage to the device.
This is a stress rating only and the functional operation of
the device at these or any other conditions above those
listed in the operational sections of this specification is
not implied. Exposure to absolute maximum rating condi-
tions for extended periods may affect device reliability.
相關(guān)PDF資料
PDF描述
X76F102HI The X76F102 is a Password Access Security Supervisor, containing one 896-bit Secure SerialFlash array
X76F102M8 The X76F102 is a Password Access Security Supervisor, containing one 896-bit Secure SerialFlash array
X76F102M8I The X76F102 is a Password Access Security Supervisor, containing one 896-bit Secure SerialFlash array
X76F102P The X76F102 is a Password Access Security Supervisor, containing one 896-bit Secure SerialFlash array
X76F102PI The X76F102 is a Password Access Security Supervisor, containing one 896-bit Secure SerialFlash array
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
X76F102XI-2 制造商:XICOR 制造商全稱(chēng):Xicor Inc. 功能描述:The X76F102 is a Password Access Security Supervisor, containing one 896-bit Secure SerialFlash array
X76F102XI-2.0 制造商:ICMIC 制造商全稱(chēng):IC MICROSYSTEMS 功能描述:Secure SerialFlash
X76F102XIG 制造商:ICMIC 制造商全稱(chēng):IC MICROSYSTEMS 功能描述:Secure SerialFlash
X76F102XIG-2.0 制造商:ICMIC 制造商全稱(chēng):IC MICROSYSTEMS 功能描述:Secure SerialFlash
X76F128 制造商:XICOR 制造商全稱(chēng):Xicor Inc. 功能描述:Secure SerialFlash
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