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HCS370IP 数据表(PDF) 4 Page - Microchip Technology

部件名 HCS370IP
功能描述  KEELOQ Code Hopping Encoder
PDF  36 Pages
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制造商  MICROCHIP [Microchip Technology]
网页  http://www.microchip.com
标志 MICROCHIP - Microchip Technology

HCS370IP 数据表(HTML) 4 Page - Microchip Technology

  HCS370IP Datasheet HTML 1Page - Microchip Technology HCS370IP Datasheet HTML 2Page - Microchip Technology HCS370IP Datasheet HTML 3Page - Microchip Technology HCS370IP Datasheet HTML 4Page - Microchip Technology HCS370IP Datasheet HTML 5Page - Microchip Technology HCS370IP Datasheet HTML 6Page - Microchip Technology HCS370IP Datasheet HTML 7Page - Microchip Technology HCS370IP Datasheet HTML 8Page - Microchip Technology HCS370IP Datasheet HTML 9Page - Microchip Technology Next Button
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HCS370
DS41111D-page 4
Preliminary
2002 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
Verify
Counter
Sync Counter
Serial Number
KEELOQ
Decryption
Algorithm
1
3
4
Check for
Match
2
Perform Function
Indicated by
button press
5
Crypt Key
B0
B1



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