Datasheet > HCS473_13

HCS473_13

更新时间： 2024-02-04 23:20:14

品牌	Logo	应用领域
美国微芯 - MICROCHIP		/
页数	文件大小	规格书
68页	1090K
描述
KEELOQÂ® 3-Axis Transcoder

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中文翻译

获取价格

数据手册

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HCS473_13 数据手册

HCS473

KEELOQ 3-Axis Transcoder

FEATURES

Package Types

PDIP, SOIC

Encoder Security

• Read protected 64-bit encoder key

• 69-bit transmission length

VDD

LED

DATA

VSS

• 60-bit, read protected seed for secure learning

• Programmable 32-bit serial number

• Non-volatile 16/20-bit synchronization counter

S3/RFEN

VDDT

LCX

VSST

LCCOM

LCZ

Encoder Operation

• 2.05V to 5.5V operation

LCY

• Four switch inputs – up to 15 functions codes

• PWM or Manchester modulation

• Selectable Baud Rate (416 - 5,000 bps)

• Transmissions include button queuing information

• PLL interface

Block Diagram

Low

RESET and

Power

Control

Internal

Oscillator

Voltage

EEPROM

Transponder Security

Detector

• 2 read protected 64-bit Challenge/Response keys

• Two IFF encryption algorithms

• 16/32-bit Challenge/Response

• Separate Vehicle ID and Token ID

• 2 vehicles supported

LED

Driver

LED

Control

Logic

Wake-up

Control

• CRC on all communication

Data

Output

S3/

RFEN

DATA

Transponder Operation

• Three sensitive transponder inputs

• Bi-directional transponder communication

• Transponder in/RF out operation

• Anticollision of multiple transponders

• Intelligent damping for high Q-factor LC-circuits

• Low battery operation

LCX

VDDT

3 Input Transponder

Circuitry

LCY

LCZ

LCCOM

VSST

Typical Applications

• Passive entry systems

• Passive proximity activation

• Automotive remote entry systems

• Automotive alarm systems

• Automotive immobilizers

• Gate and garage openers

• 64-bit secure user EEPROM

• Fast reaction time

Peripherals

• Electronic door locks (Home/Office/Hotel)

• Burglar alarm systems

• Low Voltage Detector

• On-board RC oscillator with 10% variation

• Proximity access control

• Passive proximity authentication

 2000-2013 Microchip Technology Inc.

Preliminary

DS40035D-page 1

12 3 4 5 6 7...68

中文翻译

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