HCS362-I/ST Microchip Technology, HCS362-I/ST Datasheet - Page 4
HCS362-I/ST
Manufacturer Part Number
HCS362-I/ST
Description
IC CODE HOP ENCODR 15FUNC 8TSSOP
Manufacturer
Microchip Technology
Type
Code Hopping Encoderr
Specifications of HCS362-I/ST
Applications
Remote Secure Access, Keyless Entry
Mounting Type
Surface Mount
Package / Case
8-TSSOP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
HCS362I/ST
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
HCS362-I/ST
Manufacturer:
MICROCHIP
Quantity:
12 000
Part Number:
HCS362-I/ST
Manufacturer:
MICROCHIP/微芯
Quantity:
20 000
Company:
Part Number:
HCS362-I/ST(HCS362T-I/ST)
Manufacturer:
FREESCAL
Quantity:
130
HCS362
FIGURE 1-2:
FIGURE 1-3:
NOTE: Circled numbers indicate the order of execution.
DS40189D-page 4
EEPROM Array
Serial Number
Sync Counter
Crypt Key
5
Perform Function
Indicated by
Button Press
button press
Information
BUILDING THE TRANSMITTED CODE WORD (ENCODER)
BASIC OPERATION OF RECEIVER (DECODER)
1
2
Received Information
Serial Number
Check for
Match
Synchronization
Encrypted Data
Decrypted
Preliminary
K
Decryption
Algorithm
32 Bits of
Counter
EE
Encryption
Algorithm
L
K
3
OQ
Button Press
EE
Information
L
OQ
Transmitted Information
Serial Number
Manufacturer Code
4
EEPROM Array
Check for
Serial Number
Match
Sync Counter
Crypt Key
2002 Microchip Technology Inc.
Encrypted Data
32 Bits