TAGnology_TAGid -125kHz_Protocol.pdf - RFID Webshop

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Introduction Rev. 1.2 February 1999 4.1 HITAG 1 Transponders ................................................................................................84 4.1.1 Memory Organization.....................................................................................84 4.1.2 Anticollision....................................................................................................85 4.1.3 Operation-Modes and Configuration ..............................................................86 4.1.4 Configuration of Delivered HITAG 1 Transponders......................................89 4.2 HITAG 2 Transponders ................................................................................................90 4.2.1 Memory Organization.....................................................................................90 4.2.2 Operation-Modes and Configuration ..............................................................91 4.2.3 Configuration of Delivered HITAG 2 Transponders......................................93 4.3 PIT (PCF793x) Transponders .......................................................................................94 4.3.1 Memory Organization.....................................................................................94 5 Personalization......................................................................................................95 5.1 Introduction...................................................................................................................95 5.2 Personalization Concept................................................................................................95 5.3 Personalization of HITAG 1 Transponders ................................................................100 5.3.1 Definition of Keys and Logdata....................................................................100 5.3.2 Changing Keys and Logdata.........................................................................101 5.4 Personalization of HITAG 2 Transponders ................................................................103 5.4.1 Definition of Passwords and Keys................................................................103 5.4.2 Changing Passwords and Keys .....................................................................104 6 Security Considerations .....................................................................................105 6.1 Data Reliability ...........................................................................................................105 6.1.1 Data Stream between Read/Write Device and Transponder.............................105 6.1.2 Checking User Data ......................................................................................105 6.2 Data Privacy................................................................................................................106 Protokoll HTRM801 V1.2/C Page 4 (107)
February 1999 Rev. 1.2 Introduction 1 Introduction This description refers to the interface between a host (e.g. PC) and a contactless 125 kHz read/write device based on the HITAG Communication Controller, as there is e.g. the HT CM400/1 (HITAG Core Module), HT RM440/1 family (HITAG Proximity Reader Module) and HT RM800/1 family (HITAG Long Range Reader Module). For easy and quick development of application specific host software PHILIPS provides a C- Library, Dll- and Header-Files. These tools can be found on the floppy disk added to this description. Following transponders of the 125 kHz family are supported: • HITAG 1 • HITAG 2 • HITAG S Additional Features: • High security by using cryptography, mutual authentication and password verification • Addressing multiple (up to 255) read/write devices on a RS485-Bus • Programmable port pins: 4 outputs; 2 inputs; optional (requiring a special hardware because signals are not available on pin connectors of Philips Core Module): 8 pins either in-/output configurable or for connection to a keyboard-matrix up to 12 keys • 85 bytes of user-defined data can be stored in an EEPROM of the read/write device Page 5 (107) Protokoll HTRM801 V1.2/C
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