HCS301-I/P Datasheet

IC型號：
HCS301-I/P
PDF描述：
REMOTE-CONTROL TRANSMITTER/ENCODER|CMOS|DIP|8PIN
文件大?。?/label>
426.27KB
PDF頁數(shù)：
30頁
芯片廠家：
ETC

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HCS301

廬

Code Hopping Encoder

FEATURES

Security

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

鈥?/div>

DESCRIPTION

The HCS301 from Microchip Technology Inc. is a code

hopping encoder designed for secure Remote Keyless

Entry (RKE) systems. The HCS301 utilizes the K

code hopping technology, which incorporates high

security, a small package outline and low cost, to make

this device a perfect solution for unidirectional remote

keyless entry systems and access control systems.

PACKAGE TYPES

PDIP, SOIC

HCS301

Operating

鈥?/div>

3.5V - 13.0V operation

Four button inputs

No additional circuitry required

15 functions available

Selectable baud rate

Automatic code word completion

Battery low signal transmitted to receiver

Battery low indication on LED

Non-volatile synchronization data

LED

PWM

HCS301 BLOCK DIAGRAM

Oscillator

RESET circuit

LED

LED driver

Controller

Power

latching

and

switching

Other

鈥?/div>

Functionally identical to HCS300

Easy-to-use programming interface

On-chip EEPROM

On-chip oscillator and timing components

Button inputs have internal pull-down resistors

Current limiting on LED output

Low external component cost

EEPROM

Encoder

PWM

32-bit shift register

Button input port

Typical Applications

The HCS301 is ideal for Remote Keyless Entry (RKE)

applications. These applications include:

鈥?/div>

Automotive RKE systems

Automotive alarm systems

Automotive immobilizers

Gate and garage door openers

Identity tokens

Burglar alarm systems

S3 S2

The HCS301 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.

DS21143B-page 1

制造商
Microchip
產(chǎn)品種類
編碼器、解碼器、復(fù)用器和解復(fù)用器
Supply Voltage - Max
13.3 V
最大工作溫度
+ 85 C
安裝風格
Through Hole
封裝 / 箱體
PDIP-8
封裝
Tube
最小工作溫度
- 40 C
工廠包裝數(shù)量
60

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