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HCS201/SN Datasheet

  • HCS201/SN

  • REMOTE-CONTROL TRANSMITTER/ENCODER|CMOS|SOP|8PIN

  • 28頁

  • ETC

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HCS201
K
EE
L
OQ廬
Code Hopping Encoder
FEATURES
Security
鈥?/div>
鈥?/div>
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Programmable 28-bit serial number
Programmable 64-bit encryption key
Each transmission is unique
66-bit transmission code length
32-bit hopping code
34-bit fixed code (28-bit serial number,
4-bit button code, 2-bit status)
鈥?Encryption keys are read protected
DESCRIPTION
The HCS201 from Microchip Technology Inc. is a code
hopping encoder designed for secure Remote Keyless
Entry (RKE) systems. The HCS201 utilizes the K
EE
L
OQ
code hopping technology, incorporating high security, a
small package outline and low cost. The HCS201 is a
perfect solution for unidirectional remote keyless entry
systems and access control systems.
PACKAGE TYPES
PDIP, SOIC
S0
S1
S2
V
DDB
1
8
V
DD
STEP
DATA
V
SS
Operating
鈥?3.5V-13V operation
(2.0V min. using the Step up feature)
鈥?Three button inputs
鈥?7 functions available
鈥?Selectable baud rate
鈥?Automatic code word completion
鈥?Battery low signal transmitted to receiver
鈥?Non-volatile synchronization data
HCS201
2
3
4
7
6
5
HCS201 BLOCK DIAGRAM
V
DDB
V
DD
Other
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Simple programming interface
On-chip EEPROM
On-chip oscillator and timing components
Button inputs have internal pull-down resistors
Minimum component count
Synchronous Transmission mode
Built-in step up regulator
DATA
V
SS
V
DD
Oscillator
RESET circuit
Step Up
Controller
Power
latching
and
switching
STEP
Controller
EEPROM
Encoder
32-bit shift register
Typical Applications
鈥?The HCS201 is ideal for Remote Keyless Entry
(RKE) applications. These applications include:
鈥?Automotive RKE systems
鈥?Automotive alarm systems
鈥?Automotive immobilizers
鈥?Gate and garage door openers
鈥?Identity tokens
鈥?Burglar alarm systems
Button input port
S
2
S
1
S
0
The HCS201 combines a 32-bit hopping code,
generated by a nonlinear encryption algorithm, with a
28-bit serial number and 6 information bits to create a
66-bit code word. The code word length eliminates the
threat of code scanning and the code hopping mecha-
nism makes each transmission unique, thus rendering
code capture and resend schemes useless.
漏
2001 Microchip Technology Inc.
DS41098C-page 1

HCS201/SN 產(chǎn)品屬性

  • Microchip

  • 編碼器、解碼器、復(fù)用器和解復(fù)用器

  • 13 V

  • 3.5 V

  • SMD/SMT

  • SOIC-8

  • Tube

  • 100

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    Radiation Hardened Triple 3-Input NOR Gate
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    Radiation Hardened Triple 3-Input NOR Gate
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    Radiation Hardened Dual 4-Input NAND Gate
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    Radiation Hardened Dual 4-Input NAND Gate
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  • 英文版
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