MCS3122 datasheet(1/26 Pages) MICROCHIP

部件名	MCS3122

功能描述	MCS3122 Advanced KEELOQ짰 Technology Encoder Data Sheet

PDF	26 Pages

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制造商	MICROCHIP [Microchip Technology]

网页	http://www.microchip.com

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 2014 Microchip Technology Inc.

DS40001762A-page 1

MCS3122

Features Overview

• Advanced KEELOQ® Technology:

- Programmable 32-bit serial number

- Programmable 32-bit serial number for seed

transmissions

- AES-128 block cipher

- Programmable 128-bit crypt key

- 160/192-bit transmission code length:

- 32-bit unencrypted portion

- 128-bit encrypted, code hopping portion

- 32-bit authorization check (optional)

• Operating Features:

- 2.0 to 3.7V operation

- Three switch inputs

- Seven functions available

- One active-low LED drive

- Configurable maximum code word

•RF:

- Configurable bit rate

- Configurable modulation, supporting FSK

and OOK

- Configurable data modulation, supporting

PWM and Manchester

•Other:

- Button inputs have internal pull-up resistors

Typical Applications

MCS3122 is ideal for Remote Keyless Entry (RKE)

applications. These applications include:

• Automotive RKE Systems

• Automotive Alarm Systems

• Gate and Garage Door Openers

• Home Security Systems

• Security and Safety Sensors

• Remote Control

• Remote Keypad

• Wireless Sensors

Package Type

• 14-Pin TSSOP

FIGURE 1:

14-PIN TSSOP

1

2

3

4

5

6

7

VDD

LED

CTRL_OUT

SW2

VDD

CTRL_IN

RFOUT

SW0

SW1

DATA_OUT

XTAL

DATA_IN

VSS

14

13

12

11

10

9

8

VSS

TABLE 1:

PIN DESCRIPTION

Name

14-Pin TSSOP

Input Type

Output Type

Description

VDD

1

Power

—

Power

LED

2

—

TTL

LED Output (active-low)

CTRL_OUT

3

—

TTL

Transmitter Clock

SW2

4

TTL

—

Switch 2 Input

VDD

5

Power

—

Power

CTRL_IN

6

TTL

—

Transmitter Clock

RFOUT

7

—

RF

Transmitter Output

VSS

8

Power

—

Power

DATA_IN

9

TTL

—

Transmitter Data

XTAL

10

Analog

—

Transmitter Reference Oscillator

DATA_OUT

11

—

TTL

Transmitter Data

SW1

12

TTL

—

Switch 1 Input

SW0

13

TTL

—

Switch 0 Input

VSS

14

Power

—

Power

MCS3122 Advanced KEELOQ® Technology Encoder Data Sheet

类似零件编号 - MCS3122

制造商	部件名	数据表	功能描述
Microchip Technology	MCS3142	2Mb / 57P	MCS3142 Dual KEELOQ짰 Encoder Wireless Remote Control Development Kit 10/28/13
	MCS3142-I/ST	888Kb / 37P	MCS3142 Dual KEELOQ짰 Technology Encoder Data Sheet 03/13/14
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制造商	部件名	数据表	功能描述
Microchip Technology	HCS410	481Kb / 36P	KEELOQ짰 Code Hopping Encoder and Transponder 2001
	HCS360	421Kb / 28P	KEELOQ짰 Code Hopping Encoder 2001
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	HCS320	740Kb / 38P	KEELOQ짰 Code Hopping Encoder Automatic code word completion 2011
	HCS370	956Kb / 42P	KEELOQ짰 Code Hopping Encoder Four selectable baud rates 2011
	MCS3142	2Mb / 57P	MCS3142 Dual KEELOQ짰 Encoder Wireless Remote Control Development Kit 10/28/13
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