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HCS300 データシート(PDF) 4 Page - Microchip Technology

部品番号 HCS300
部品情報  KEE LOQ Code Hopping Encoder
PDF  20 Pages
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メーカー  MICROCHIP [Microchip Technology]
ホームページ  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

HCS300 データシート(HTML) 4 Page - Microchip Technology

  HCS300 Datasheet HTML 1Page - Microchip Technology HCS300 Datasheet HTML 2Page - Microchip Technology HCS300 Datasheet HTML 3Page - Microchip Technology HCS300 Datasheet HTML 4Page - Microchip Technology HCS300 Datasheet HTML 5Page - Microchip Technology HCS300 Datasheet HTML 6Page - Microchip Technology HCS300 Datasheet HTML 7Page - Microchip Technology HCS300 Datasheet HTML 8Page - Microchip Technology HCS300 Datasheet HTML 9Page - Microchip Technology Next Button
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HCS300
DS21137F-page 4
© 2001 Microchip Technology Inc.
FIGURE 1-2:
BUILDING THE TRANSMITTED CODE WORD (ENCODER)
FIGURE 1-3:
BASIC OPERATION OF RECEIVER (DECODER)
NOTE: Circled numbers indicate the order of execution.
Button Press
Information
EEPROM Array
32 Bits
Encrypted Data
Serial Number
Transmitted Information
Crypt Key
Sync Counter
Serial Number
KEELOQ
Encryption
Algorithm
Button Press
Information
EEPROM Array
Manufacturer Code
32 Bits of
Encrypted Data
Serial Number
Received Information
Decrypted
Synchronization
Counter
Check for
Match
Sync Counter
Serial Number
KEELOQ
Decryption
Algorithm
1
3
4
Check for
Match
2
Perform Function
Indicated by
button press
5
Crypt Key



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