參數(shù)資料
型號(hào)： x76f400
英文描述： Secure SerialFlash(密碼訪問加密串行EEPROM)
中文描述： 安全SerialFlash（密碼訪問加密串行EEPROM的）
文件頁(yè)數(shù)： 4/16頁(yè)
文件大?。?/td> 78K
代理商： X76F400
X76F400
4
Figure 2. Data Validity
Figure 3. Definition of Start and Stop Conditions
Table 1. X76F400 Instruction Set
Illegal command codes will be disregarded. The part will respond with a “no-ACK” to the illegal byte and then return to
the standby mode. All write/read operations require a password.
Command
after Start
Command Description
Password
used
1 S
1 S
1 1 1 1 1 1 0 0
1 1 1 1 1 1 1 0
0 1 0 1 0 1 0 1
5
S
S
4
S
S
3
S
S
2
S
S
1
S
S
0
0
1
Sector Write
Sector Read
Change Write Password
Change Read Password
Password ACK Command
Write
Read
Write
Write
None
5
4
3
2
1
0
SCL
SDA
Data Stable
Data
Change
SCL
SDA
Start Condition
Stop Condition
PROGRAM OPERATIONS
Sector Write
The sector write mode requires issuing the 8-bit write
command followed by the password and then the data
bytes transferred as illustrated in figure 4. The write
command byte contains the address of the sector to be
written. Data is written starting at the first address of a
sector and eight bytes must be transferred. After the last
byte to be transferred is acknowledged a stop condition is
issued which starts the nonvolatile write cycle. If more or
less than 8 bytes are transferred, the data in the sector
remains unchanged.
ACK Polling
Once a stop condition is issued to indicate the end of the
host’s write sequence, the X76F400 initiates the internal
nonvolatile write cycle. In order to take advantage of the
typical 5ms write cycle, ACK polling can begin
immediately. This involves issuing the start condition
相關(guān)PDF資料
PDF描述
X76F640(中文) Secure SerialFlash(5種64位密碼保護(hù)；對(duì)復(fù)位的同步響應(yīng)；二線串口；允許任意數(shù)目的器件共享同一總線)
X7AH-01C NON-ISOLATED DC/DC CONVERTERS 3 V-3.6 V Input 12 V/0.8 A & 15 V/0.6 A Output
X7AH-01FXX0 NON-ISOLATED DC/DC CONVERTERS 3.0 V-5.5 V Input 12 V/0.8 A & 15 V/0.6 A Output
X7AH-01FXXN NON-ISOLATED DC/DC CONVERTERS 3.0V-5.5V Input -5V/1A & -12V/0.5A Output
X7AH-01H1A0 NON-ISOLATED DC/DC CONVERTER 4.5V-32V Input 1.2V-3.3V/1A Output
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
X76F400H 制造商:ICMIC 制造商全稱:IC MICROSYSTEMS 功能描述:Secure SerialFlash
X76F400H-2.5 制造商:ICMIC 制造商全稱:IC MICROSYSTEMS 功能描述:Secure SerialFlash
X76F400HI 制造商:ICMIC 制造商全稱:IC MICROSYSTEMS 功能描述:Secure SerialFlash
X76F400HI-2.5 制造商:ICMIC 制造商全稱:IC MICROSYSTEMS 功能描述:Secure SerialFlash
X76F400P 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Serial EEPROM
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