TAGnology_TAGid -125kHz_Protocol.pdf - RFID Webshop

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Transponders Rev. 1.2 February 1999 Configuration Byte 1: 7 6 5 4 3 2 1 0 Access type for Blocks 4 to 7: "0" ... SECRET "1" ... PUBLIC reserved reserved reserved OEM Lock Bit: "1" ... Configuration Page is r/w "0" ... Configuration Page is ro reserved reserved reserved Configuration Byte 1 / Bit 5 ... 7: These three bits are reserved. ATTENTION: When writing a new value to byte Configuration Byte 1, bit positions marked as „reserved“ must not be altered. To meet that condition read the current Configuration Byte 1 value and mask in your new values for bit positions you are allowed to change. Configuration Byte 1 / Bit 4: Bit= ‘1’: Configuration Page can be read and written to. Bit= ‘0’: Configuration Page can only be read. This process is irreversible ! ATTENTION: Do not set Bit 4 of Configuration Byte 1 to ‘0’ before having written the final data into the Configuration Page of the transponder. Configuration Byte 1 / Bits 1 ... 3: These three bits are reserved. ATTENTION: When writing a new value to byte Configuration Byte 1, bit positions marked as „reserved“ must not be altered. To meet that condition read the current Configuration Byte 1 value and mask in your new values for bit positions you are allowed to change. Configuration Byte 1 / Bit 0: Bit= ‘0’: Access type for Blocks 4 to 7 is SECRET. Bit= ‘1’: Access type for Blocks 4 to 7 is PUBLIC. This bit can be set or reset until Bit 4 of Configuration Byte 1 is set to ‘0’. Protokoll HTRM801 V1.2/C Page 88 (107)
February 1999 Rev. 1.2 Transponders 4.1.4 Configuration of Delivered HITAG 1 Transponders HITAG 1 transponders are delivered with the following configuration by Philips: Unique Serial Number: Serial Number: Read Only - fixed Configuration Byte 0: Logdata: ‘1’ = r/w - can be changed Key A, Key B: ‘1’ = wo - can be changed Blocks 2 - 7: ‘1’ = r/w - can be changed Configuration Byte 1: OEM Lock Bit: ‘1’ = Configuration Page is r/w - can be changed Blocks 4 - 7: ‘1’ = public - can be changed Value for Transport Keys, Transport Logdata: 0x00000000 RECOMMENDATION: Before delivering transponders to end users, the Configuration Page should be set to read only (Configuration Byte 1/Bit 4 = ‘0’). Page 89 (107) Protokoll HTRM801 V1.2/C
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TAGnology RFID GmbH | Grazer Vorsta
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February 1999 Rev. 1.2 Introduction
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