PCF7936AS Security Transponder (HITAG2) Product Specification 2010 May 04 CONFIDENTIAL NXP Semiconductors Product Specification Security Transponder (HITAG2) PCF7936AS CONTENT 1 FEATURES ............................................................................................................................................................................... 4 2 GENERAL DESCRIPTION........................................................................................................................................................ 4 3 ORDERING INFORMATION ..................................................................................................................................................... 4 4 BLOCK DIAGRAM .................................................................................................................................................................... 5 5 TYPICAL APPLICATION .......................................................................................................................................................... 5 6 QUICK REFERENCE DATA ..................................................................................................................................................... 6 7 FUNCTIONAL DESCRIPTION SECURITY TRANSPONDER .................................................................................................. 7 7.1 Memory Organization, EEPROM ................................................................................................................................... 7 7.1.1 Identifier, IDE ......................................................................................................................................................... 8 7.1.2 Password Basestation, PSW .............................................................................................................................. 8 B 7.1.3 Secret Key, SK ...................................................................................................................................................... 9 7.1.4 Transponder and Memory Configuration, TMCF ................................................................................................... 9 Secret Key Lock, SKL .............................................................................................................................. 9 Page 3 Lock, PG3L ................................................................................................................................. 9 Protect Write User Page 4 and 5, PWP1 ................................................................................................. 9 Protect Write User Page 6 and 7, PWP0 ................................................................................................. 9 Enable Cipher Mode, ENC ...................................................................................................................... 9 Mode Select, MS ................................................................................................................................... 10 Data Coding Select, DCS ...................................................................................................................... 10 7.1.5 Password Transponder, PSW ........................................................................................................................... 10 T 7.1.6 User Pages, USER 0 to 3 .................................................................................................................................... 10 7.2 Transponder State Diagram ......................................................................................................................................... 11 7.2.1 WAIT State .......................................................................................................................................................... 11 7.2.2 AUTHORIZED State ............................................................................................................................................ 12 7.2.3 HALT State .......................................................................................................................................................... 12 7.2.4 READ ONLY State .............................................................................................................................................. 12 7.3 Command Set .............................................................................................................................................................. 13 7.3.1 Command Description ......................................................................................................................................... 14 HALT ..................................................................................................................................................... 15 READ PAGE ........................................................................................................................................ 15 READ PAGE INV................................................................................................................................. 16 START AUTH (Password Mode) .......................................................................................................... 17 START AUTH (Cipher Mode) ............................................................................................................... 18 WRITE PAGE ....................................................................................................................................... 19 7.4 Calculation Unit ............................................................................................................................................................ 20 7.5 Read Only Modes ........................................................................................................................................................ 21 7.5.1 ISO 11784/5 (MS1 = 0, MS0 = 0) ........................................................................................................................ 21 7.5.2 MIRO Mode (MS1 = 0, MS0 = 1) ......................................................................................................................... 21 7.5.3 PCF7931/30/35 (MS1 = 1, MS0 = 0) ................................................................................................................... 21 7.6 Transponder Data Transmission Format ..................................................................................................................... 22 7.6.1 Read Direction ..................................................................................................................................................... 22 7.6.2 Write Direction ..................................................................................................................................................... 23 7.7 LF Field Power On Reset ............................................................................................................................................. 24 8 EEPROM CONTENT AT DELIVERY ...................................................................................................................................... 25 9 LIMITING VALUES ................................................................................................................................................................. 26 10 DEVICE CHARACTERISTICS ................................................................................................................................................ 27 10.1 Electrical Characteristics .............................................................................................................................................. 27 10.2 Timing Characteristics ................................................................................................................................................. 28 10.3 Mechanical Characteristics .......................................................................................................................................... 29 11 TEST SETUP .......................................................................................................................................................................... 30 12 DEVELOPMENT TOOLS ........................................................................................................................................................ 31 2010 May 04 2 CONFIDENTIAL