Datasheet > HCS412_11

HCS412_11

更新时间： 2024-01-21 01:47:17

品牌	Logo	应用领域
美国微芯 - MICROCHIP		编码器
页数	文件大小	规格书
52页	974K
描述
KEELOQ? Code Hopping Encoder and Transponder Burglar alarm systems

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中文翻译

获取价格

数据手册

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HCS412_11 数据手册

HCS412

KEELOQ Code Hopping Encoder and Transponder

FEATURES

PACKAGE TYPES

PDIP, SOIC

Security

VDD

• Programmable 64-bit encoder crypt key

• Two 64-bit IFF keys

LED

DATA

GND

• Keys are read protected

S2/RFEN/LC1

LC0

• 32-bit bi-directional challenge and response using

one of two possible keys

• 69-bit transmission length

• 32-bit hopping code,

BLOCK DIAGRAM

• 37-bit nonencrypted portion

• Programmable 28/32-bit serial number

• 60-bit, read protected seed for secure learning

• Two IFF encryption algorithms

Oscillator

Power

Control

Configuration Register

Address

• Delayed counter increment mechanism

• Asynchronous transponder communication

EEPROM

Debounce

Decoding

Wake-up

Logic

Control

and

• Transmissions include button Queuing

information

Queuer

Operating

LED

Control

• 2.0V to 6.3V operation

• Three switch inputs: S2, S1, S0 – seven functions

• Battery-less bi-directional transponder capability

• Selectable baud rate and code word blanking

• Automatic code word completion

PPM

Detector

LC0

RFEN/S2/LC1

DATA

PPM

Manch.

Encoder

• Battery low detector

DATA

Driver

• PWM or Manchester data encoding

• Combined transmitter, transponder operation

• Anticollision of multiple transponders

• Passive proximity activation

Other

• Simple programming interface

• Device protected against reverse battery

• Intelligent damping for high Q LC-circuits

• 100 mVPP sensitive LC input

• On-chip tunable RC oscillator, ± 10%

• On-chip EEPROM

• 64-bit user EEPROM in Transponder mode

• Battery-low LED indication

Typical Applications

• Serialized Quick Turn Programming (SQTP^SM

)

• Automotive remote entry systems

• Automotive alarm systems

• Automotive immobilizers

• 8-pin PDIP/SOIC

• RF Enable output

• ASK and FSK PLL interface option

• Built in LC input amplifier

• Gate and garage openers

• Electronic door locks (Home/Office/Hotel)

• Burglar alarm systems

• Proximity access control

DS41099D-page 1

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中文翻译

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与HCS412_11相关器件

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HCS412C/P	MICROCHIP	获取价格	IC,TRANSPONDER,CMOS,DIP,8PIN,PLASTIC
HCS412C/SO	MICROCHIP	获取价格	IC,TRANSPONDER,CMOS,SOP,8PIN,PLASTIC
HCS412I	MICROCHIP	获取价格	KEELOQ Code Hopping Encoder and Transponder
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HCS412I/SO	MICROCHIP	获取价格	IC,TRANSPONDER,CMOS,SOP,8PIN,PLASTIC
HCS412IP	MICROCHIP	获取价格	KEELOQ Code Hopping Encoder and Transponder
HCS412P	MICROCHIP	获取价格	KEELOQ Code Hopping Encoder and Transponder
HCS412SN	MICROCHIP	获取价格	KEELOQ Code Hopping Encoder and Transponder
HCS412T	MICROCHIP	获取价格	KEELOQ Code Hopping Encoder and Transponder