HCS412 datasheet(1/52 Pages) MICROCHIP

部件名	HCS412

功能描述	KEELOQ짰 Code Hopping Encoder and Transponder Burglar alarm systems

PDF	52 Pages

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制造商	MICROCHIP [Microchip Technology]

网页	http://www.microchip.com

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DS41099D-page 1

FEATURES

Security

• Programmable 64-bit encoder crypt key

• Two 64-bit IFF keys

• Keys are read protected

• 32-bit bi-directional challenge and response using

one of two possible keys

• 69-bit transmission length

• 32-bit hopping code,

• 37-bit nonencrypted portion

• Programmable 28/32-bit serial number

• 60-bit, read protected seed for secure learning

• Two IFF encryption algorithms

• Delayed counter increment mechanism

• Asynchronous transponder communication

• Transmissions include button Queuing

information

Operating

• 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

• Battery low detector

• PWM or Manchester data encoding

• Combined transmitter, transponder operation

• Anticollision of multiple transponders

• Passive proximity activation

• Device protected against reverse battery

• Intelligent damping for high Q LC-circuits

• 100 mVPP sensitive LC input

Typical Applications

• Automotive remote entry systems

• Automotive alarm systems

• Automotive immobilizers

• Gate and garage openers

• Electronic door locks (Home/Office/Hotel)

• Burglar alarm systems

• Proximity access control

PACKAGE TYPES

BLOCK DIAGRAM

Other

• Simple programming interface

• On-chip tunable RC oscillator, ± 10%

• On-chip EEPROM

• 64-bit user EEPROM in Transponder mode

• Battery-low LED indication

• Serialized Quick Turn Programming (SQTPSM )

• 8-pin PDIP/SOIC

• RF Enable output

• ASK and FSK PLL interface option

• Built in LC input amplifier

S0

S1

S2/RFEN/LC1

LC0

VDD

LED

DATA

GND

18

2

3

4

7

6

5

PDIP, SOIC

Oscillator

Configuration Register

Power

Control

Wake-up

Logic

Address

Decoding EEPROM

Debounce

Control

and

Queuer

LED

Control

DATA

Driver

PPM

Detector

DATA

PPM

Manch.

Encoder

VDD

S0

S1

LED

LC0

DATA

RFEN/S2/LC1

HCS412

KEELOQ® Code Hopping Encoder and Transponder

类似零件编号 - HCS412

制造商	部件名	数据表	功能描述
Microchip Technology	HCS412	704Kb / 44P	KEELOQ Code Hopping Encoder and Transponder 2002
	HCS412	395Kb / 28P	Memory Programming Specification 2004
	HCS412I	704Kb / 44P	KEELOQ Code Hopping Encoder and Transponder 2002
	HCS412IP	704Kb / 44P	KEELOQ Code Hopping Encoder and Transponder 2002
	HCS412P	704Kb / 44P	KEELOQ Code Hopping Encoder and Transponder 2002

More results

类似说明 - HCS412

制造商	部件名	数据表	功能描述
Microchip Technology	HCS410	259Kb / 36P	KEELOQ CODE HOPPING ENCODER AND TRANSPONDER 1997 - 1998
	HCS412	704Kb / 44P	KEELOQ Code Hopping Encoder and Transponder 2002
	HCS473	1Mb / 68P	Code Hopping Encoder and Transponder 2002
	HCS410	481Kb / 36P	KEELOQ짰 Code Hopping Encoder and Transponder 2001
	HCS360	421Kb / 28P	KEELOQ짰 Code Hopping Encoder 2001
	HCS200	728Kb / 34P	KEELOQ짰 Code Hopping Encoder 32-bit hopping code 2011
	HCS361	814Kb / 42P	KEELOQ짰 Code Hopping Encoder incorporates high security, 2011
	HCS360	800Kb / 40P	KEELOQ짰 Code Hopping Encoder outline and low cost, 2011
	HCS410	1Mb / 46P	KEELOQ짰 Code Hopping Encoder and Transponder 2-bit CRC, 2-bit queue 2011
	HCS320	740Kb / 38P	KEELOQ짰 Code Hopping Encoder Automatic code word completion 2011

More results

HCS412 数据表(PDF) 1 Page - Microchip Technology

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类似零件编号 - HCS412

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