參數(shù)資料
型號(hào)： HCS361-SN
廠商： Microchip Technology Inc.
英文描述： IC AC/DC CONV 12V 350MA SIP12
中文描述： 而Keeloq跳碼編碼器
文件頁(yè)數(shù)： 3/24頁(yè)
文件大?。?/td> 343K
代理商： HCS361-SN
HCS361
1996 Microchip Technology Inc.
Preliminary
DS40146C-page 3
Before a transmitter can be used with a particular
receiver, the transmitter must be ‘learned’ by the
receiver. Upon learning a transmitter, information is
stored by the receiver so that it may track the
transmitter, including the serial number of the
transmitter, the current synchronization value for that
transmitter and the same encryption key that is used on
the transmitter. If a receiver receives a message of valid
format, the serial number is checked and, if it is from a
learned transmitter, the message is decrypted and the
decrypted synchronization counter is checked against
what is stored. If the synchronization value is verified,
then the button status is checked to see what operation
is needed. Figure 1-3 shows the relationship between
some of the values stored by the receiver and the val-
ues received from the transmitter.
FIGURE 1-1:
CREATION AND STORAGE OF ENCRYPTION KEY DURING PRODUCTION
FIGURE 1-2:
BASIC OPERATION OF TRANSMITTER (ENCODER)
FIGURE 1-3:
BASIC OPERATION OF RECEIVER (DECODER)
Transmitter
Serial Number or
Seed
Manufacturer’s
Code
Encryption
Key
Key
Generation
Algorithm
Serial Number
Encryption Key
Sync Counter
.
.
.
HCS361 EEPROM Array
K
EE
L
OQ
Encryption
Algorithm
Button Press
Information
EEPROM Array
32 Bits of
Encrypted Data
Serial Number
Transmitted Information
Decryption Key
Sync Counter
Serial Number
Button Press
Information
EEPROM Array
Decryption Key
32 Bits of
Encrypted Data
Serial Number
Received Information
Decrypted
Synchronization
Counter
Check for
Match
Check for
Match
K
EE
L
OQ
Decryption
Algorithm
Sync Counter
Serial Number
Manufacturer Code
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
HCS361T/SN 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 2-6.6V RoHS:否 制造商:Micrel 產(chǎn)品:Multiplexers 邏輯系列:CMOS 位數(shù): 線路數(shù)量（輸入/輸出）:2 / 12 傳播延遲時(shí)間:350 ps, 400 ps 電源電壓-最大:2.625 V, 3.6 V 電源電壓-最小:2.375 V, 3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray
HCS361T-I/SN 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 2-6.6V RoHS:否 制造商:Micrel 產(chǎn)品:Multiplexers 邏輯系列:CMOS 位數(shù): 線路數(shù)量（輸入/輸出）:2 / 12 傳播延遲時(shí)間:350 ps, 400 ps 電源電壓-最大:2.625 V, 3.6 V 電源電壓-最小:2.375 V, 3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray
HCS362 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:Memory Programming Specification
HCS362_11 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:KEELOQ? Code Hopping Encoder Non-volatile synchronization data
HCS362-I 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:KEELOQ Code Hopping Encoder
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