EEWORLDEEWORLDEEWORLD

Part Number

Search

HCS412TP

Description
KEELOQ Code Hopping Encoder and Transponder
File Size424KB,44 Pages
ManufacturerMicrochip
Websitehttps://www.microchip.com
Download Datasheet Compare View All

HCS412TP Overview

KEELOQ Code Hopping Encoder and Transponder

HCS412
K
EE
L
OQ
®
Code Hopping Encoder and Transponder
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
PACKAGE TYPES
PDIP, SOIC
S0
S1
S2/RFEN/LC1
LC0
1
8
V
DD
LED
DATA
GND
HCS412
2
3
4
7
6
5
BLOCK DIAGRAM
V
DD
Power
Control
Oscillator
Configuration Register
S0
S1
Debounce
Control
and
Queuer
Address EEPROM
Decoding
Wake-up
Logic
LED
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 mV
PP
sensitive LC input
Transponder
Circuitry
LC0
RFEN/S2/LC1
PPM
Detector
DATA
PPM
Manch.
Encoder
DATA
DATA
Driver
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 (SQTP
SM
)
8-pin PDIP/SOIC
RF Enable output
ASK and FSK PLL interface option
Built in LC input amplifier
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
©
2002 Microchip Technology Inc.
Preliminary
DS41099C-page 1
Register
LED
Control
Control Logic
and Counters
Operating
Encryption/Increment
Logic

HCS412TP Related Products

HCS412TP HCS412I HCS412IP HCS412P HCS412SN HCS412T HCS412TI HCS412TSN
Description KEELOQ Code Hopping Encoder and Transponder KEELOQ Code Hopping Encoder and Transponder KEELOQ Code Hopping Encoder and Transponder KEELOQ Code Hopping Encoder and Transponder KEELOQ Code Hopping Encoder and Transponder KEELOQ Code Hopping Encoder and Transponder KEELOQ Code Hopping Encoder and Transponder KEELOQ Code Hopping Encoder and Transponder
Share some selected mobile phone wallpaper lock screen wallpaper - [
[b][color=#333333][url=http://bbs.anzhi.com/thread-6532153-1-1.html]Share some selected mobile phone wallpapers and lock screen wallpapers - [[/url][/color][/b]...
绿茶 Talking
Change career, microcontroller or embedded system
I have been working on mobile phone software for four years, using C/C++ as the language. Recently, I don't want to work on mobile phones anymore, and I want to work on hardware. Which of these two re...
jumpchess Industrial Control Electronics
Talk about the method of drawing irregular PCB board border in Altium Designer software
[i=s] This post was last edited by qwqwqw2088 on 2016-8-10 10:56 [/i] [b] Recently, in the PCB section of the eeworld forum, someone asked about how to draw irregular borders in Altium Designer softwa...
qwqwqw2088 PCB Design
Has anyone done RDS decoding of TEF6624?
I am going to do a project recently. Has anyone done RDS decoding of TEF6624? How should I decode the 32BITRDS data retrieved from 6624?...
paraller stm32/stm8
Fully Differential Operational Amplifier Design
Fully Differential Operational Amplifier Design...
linda_xia Analog electronics
[Summary] A detailed introduction to various power protection circuits
Detailed explanation of the schematic diagram of each part of the flyback switching power supply UC3842 protection circuit How to suppress IGBT collector overvoltage spike How to suppress the output r...
okhxyyo Power technology

EEWorld
subscription
account

EEWorld
service
account

Automotive
development
circle

Robot
development
community

Index Files: 2711  715  1888  353  1648  55  15  39  8  34 
Datasheet   0 1 2 3 4 5 6 7 8 9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Room 1530, 15th Floor, Building B, No. 18 Zhongguancun Street, Haidian District, Beijing Telephone: (010) 82350740 Postal Code: 100190
Copyright © 2005-2026 EEWORLD.com.cn, Inc. All rights reserved 京ICP证060456号 京ICP备10001474号-1 电信业务审批[2006]字第258号函 京公网安备 11010802033920号