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HCS200ISN, HCS200SN, HCS201

Table of contents:
Info of HCS200ISN
Info of HCS200SN
Info of HCS201

HCS200ISN, HCS200SN, HCS201 Selling Leads, Datasheet

MFG:MIC Package Cooled:1000 D/C:N/A

HCS200ISN, HCS200SN, HCS201 Datasheet download

Five Points

Part Number: HCS200ISN

MFG: MIC

Package Cooled: 1000

D/C: N/A

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HCS201 General Description

The HCS201 is a code hopping encoder designed for secure Remote Keyless Entry (RKE) systems. The HCS201 utilizes Microchip's patented KEELOQ? code hopping technology, which incorporates high security, a small package outline and low cost, to make this device a perfect solution for unidirectional remote keyless entry systems and access control systems. The HCS201 combines a 32-bit hopping code generated by a non-linear encryption algorithm, with a 28-bit serial number and 6 status bits to create a 66-bit transmission steam. The length of the transmission eliminates the threat of code scanning and the code hopping mechanism makes each transmission unique, thus rendering code capture and re-send (code grabbing) schemes useless. The encryption key, serial number, and configuration data are stored in EEPROM, which is not accessible via any external connection. This makes the HCS201 a very secure unit. The HCS201 provides an easy-to-use serial interface for programming the necessary security keys, system parameters, and configuration data. The encryption key and code combinations are programmable but read-protected. The HCS201 operates over a wide voltage range of 3.5V to 13V and has three button inputs in an 8-pin configuration, which allows the system designer the freedom to utilize up to 7 functions.

HCS201 Maximum Ratings

Parameter Name	Value
Protocols	1
Transmission Code Length Bits	66
Other Features	Entry level, Fixed code support, Battery low indicator, step-up voltage operation
Seed Length	32
Code Hoppings Bits	32
Operating Voltage (V)	3.5 to 13.0
Tunable OSC	Yes
Function Codes	7
CRC	No

HCS201 Features

Security
• Programmable 28-bit serial number
• Programmable 64-bit encryption key
• Each transmission is unique
• 66-bit transmission code length
• 32-bit hopping code
• 34-bit fixed code (28-bit serial number,4-bit button code, 2-bit status)
• Encryption keys are read protected
Operating
• 3.5V-13V operation 2.0V min. using the Step up feature)
• Three button inputs
• 7 functions available
• Selectable baud rate
• Automatic code word completion
• Battery low signal transmitted to receiver
• Non-volatile synchronization data
Other
• Simple programming interface
• On-chip EEPROM
• On-chip oscillator and timing components
• Button inputs have internal pull-down resistors
• Minimum component count
• Synchronous Transmission mode
• Built-in step up regulator

HCS201 Typical Application

• The HCS201 is ideal for Remote Keyless Entry
(RKE) applications. These applications include:
• Automotive RKE systems
• Automotive alarm systems
• Automotive immobilizers
• Gate and garage door openers
• Identity tokens
• Burglar alarm systems

HCS201 Connection Diagram

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