HCS200芯片解密是橙盒芯片解密研究所在针对MICROCHIP公司HCS系列IC芯片解密技术研究中成功破解的典型单片机型号，HCS系列芯片解密相比MICROCHIP公司普通的PIC单片机不太常见，橙盒芯片解密研究所主要应客户的具体解密需求针对HCS系列单片机进行解密方案开发，目前已经有一系列技术研究成果，可以针对该系列大部分单片机提供高效可靠的解密方案。
下面我们提供对HCS200芯片的简单介绍和主要功能特征分析，供各类技术工程师及芯片解密工程师进行技术参考和借鉴，有HCS200芯片解密需求者欢迎与芯片解密研究所联系咨询更多详情
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HCS200 DESCRIPTION
The HCS200, from Microchip Technology Inc., is a code hopping encoder designed for Remote Keyless Entry(RKE) systems. The HCS200 utilizes the Keeloq code hopping technology, which incorporates high security, a small package outline and low cost, to make this device a perfect solution for replacement of fixed code devices in unidirectional remote keyless entry systems and access control systems.
The HCS200 combines a 32-bit hopping code generated by a non-linear encryption algorithm, with a 28-bit serial number and 6 information bits to create a 66-bit transmission stream. 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 resend schemes useless.
HCS200 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
28-bit serial number, 4-bit function code,VLOW indicator transmitted
Encryption keys are read protected
Operating
3.5–13.0V operation
Three button inputs
- seven functions available
Selectable baud rate
Automatic code word completion
Battery low signal transmitted to receiver
Non-volatile synchronization data
Other
Easy to use programming interface
On-chip EEPROM
On-chip oscillator and timing components
Button inputs have internal pulldown resistors
Low external component cost
Typical Applications
The HCS200 is ideal for Remote Keyless Entry (RKE)applications. These applications include:
Fixed code replacement
Automotive RKE systems
Automotive alarm systems
Automotive immobilizers
Gate and garage door openers
Identity tokens
Burglar alarm systems
