Datasheet > HCS362_11

HCS362_11

更新时间： 2024-02-18 18:15:55

品牌	Logo	应用领域
美国微芯 - MICROCHIP		编码器
页数	文件大小	规格书
46页	830K
描述
KEELOQ? Code Hopping Encoder Non-volatile synchronization data

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中文翻译

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数据手册

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HCS362_11 数据手册

HCS362

KEELOQ^®Code Hopping Encoder

FEATURES

Security

PACKAGE TYPES

PDIP, SOIC

• Programmable 28/32-bit serial number

• Two programmable 64-bit encryption keys

• Programmable 60-bit seed

VDD

LED/SHIFT

DATA

• Each transmission is unique

• 69-bit transmission code length

• 32-bit hopping code

VSS

S3/RFEN

• 37-bit fixed code (28/32-bit serial number,

4/0-bit function code, 1-bit status, 2-bit CRC/time,

2-bit queue)

TSSOP

• Encryption keys are read protected

S3/RFEN

VSS

Operation

VDD

LED/SHIFT

DATA

• 2.0V – 6.3V operation

• Four button inputs

• 15 functions available

HCS362 BLOCK DIAGRAM

• Selectable baud rates and code word blanking

• Programmable minimum code word completion

Oscillator

Power

Latching

and

RESET Circuit

• Battery low signal transmitted to receiver with

programmable threshold

Controller

LED

Switching

LED Driver

RFEN

• Non-volatile synchronization data

• PWM and Manchester modulation

PLL Driver

EEPROM

Other

Encoder

• RF Enable output – PLL interface

• Easy to use programming interface

• On-chip EEPROM

DATA

32-bit Shift Register

VSS

VDD

SHIFT

• On-chip tunable oscillator and timing components

• Button inputs have internal pull-down resistors

• Current limiting on LED output

Button Input Port

S3 S2 S1 S0

• Minimum component count

Typical Applications

Enhanced Features Over HCS300

The HCS362 is ideal for Remote Keyless Entry (RKE)

applications. These applications include:

• 60-bit seed vs. 32-bit seed

• 2-bit CRC for error detection

• 28/32-bit serial number select

• Automotive RKE systems

• Automotive alarm systems

• Automotive immobilizers

• Gate and garage door openers

• Identity tokens

• Tunable oscillator (+/ −10% over specified voltage

ranges)

• Time bits option

• Queue bits

• Burglar alarm systems

• TSSOP package

• Programmable Time-out and Guard Time

DS40189E-page 1

12 3 4 5 6 7...46

中文翻译

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