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參數資料
| 型號： | HCS360-IP |
| 廠商： | Microchip Technology Inc. |
| 英文描述： | IC AC/DC CONV 24V 200MA SIP12 |
| 中文描述： | 而Keeloq跳碼編碼器 |
| 文件頁數： | 3/24頁 |
| 文件大?。?/td> | 211K |
| 代理商： | HCS360-IP |
HCS360
1996 Microchip Technology Inc.
Preliminary
DS40152C-page 3
Any type of controller may be used as a receiver, but it
is typically a microcontroller with compatible firmware
that allows the receiver to operate in conjunction with a
transmitter, based on the HCS360. Section 7.0
provides more detail on integrating the HCS360 into a
total system.
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
.
.
.
HCS360 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
相關PDF資料 |
PDF描述 |
|---|---|
| HCS360-ISN | IC AC/DC CONV -12V 300MA SIP12 |
| HCS360-P | IC AC/DC CONV -5V 350MA SIP12 |
| HCS360-SN | IC CONV AC/DC -12V 500MA SIP12 |
| HCS361 | IC CONV AC/DC -5V 500MA SIP12 |
| HCS361-IP | IC AC/DC CONV 5V 200MA SIP10 |
相關代理商/技術參數 |
參數描述 |
|---|---|
| HCS360-ISN | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:KEELOQ CODE HOPPING ENCODER |
| HCS360-P | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:KEELOQ CODE HOPPING ENCODER |
| HCS360-SN | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:KEELOQ CODE HOPPING ENCODER |
| HCS360T-/P | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:KEELOQ㈢ Code Hopping Encoder |
| HCS360T/SN | 功能描述:編碼器、解碼器、復用器和解復用器 2-6.6V RoHS:否 制造商:Micrel 產品:Multiplexers 邏輯系列:CMOS 位數: 線路數量（輸入/輸出）:2 / 12 傳播延遲時間: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 安裝風格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray |
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