HCS410-IST MICROCHIP [Microchip Technology], HCS410-IST Datasheet

HCS410-IST

Manufacturer Part Number

HCS410-IST

Description

Manufacturer

MICROCHIP [Microchip Technology]

Datasheet

1.HCS410-IST.pdf (36 pages)

Current page: 1 of 36
Download datasheet (482Kb)

FEATURES

Security

• Two programmable 64-bit encoder keys

• 16/32-bit bi-directional challenge and response

• 69-bit transmission length

• 32-bit unidirectional code hopping, 37-bit non-

• Encoder keys are read protected

• Programmable 28/32-bit serial number

• 60/64-bit, read-protected seed for secure learning

• Three IFF encryption algorithms

• Delayed increment mechanism

• Asynchronous transponder communication

• Queuing information transmitted

Operating

• 2.0V - 6.6V operation, 13V encoder only

• Three switch inputs [S2, S1, S0]—seven functions

• Batteryless bi-directional transponder

• Selectable baud rate and code word blanking

• Automatic code word completion

• Battery low signal transmitted

• Non-volatile synchronization

• PWM or Manchester RF encoding

• Combined transmitter, transponder operation

• Anti-collision of multiple transponders

• Passive proximity activation

• Device protected against reverse battery

• Intelligent damping for high Q LC-circuits

Other

• 37-bit nonencrypted part contains 28/32-bit serial

• Simple programming interface

• On-chip tunable RC oscillator (±10%)

• On-chip EEPROM

• 64-bit user EEPROM in transponder mode

• Battery-low LED indication

• SQTP serialization quick-time programming

• 8-pin PDIP/SOIC/TSSOP and die

 2001 Microchip Technology Inc.

*Secure Learn patent pending.

using one of two keys

encrypted portion

operation

number, 4/0-bit function code, 1-bit battery low,

2-bit CRC, 2-bit queue

OQ ®

Code Hopping Encoder and Transponder

Preliminary

PACKAGE TYPES

BLOCK DIAGRAM

• 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

Typical Applications

LCI0

LCI1

PWM

PDIP, SOIC

TSSOP

S2/LED

Wake-up

Control

Power

Driver

Logic

PWM

LED

S2/LED

LC1

PWM

GND

LC1

HCS410

Debounce

Detector

Encoder

Queuer

Control

Manch.

PWM

PPM

and

Configuration Register

Decoding EEPROM

Address

DS40158E-page 1

LC0

PWM

GND

LC0

Oscillator

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