RFID - Elektor.pt

Contents5 Introduction to Cards and Tags ............................. 1375.1 Overview ........................................... 1375.1.1 Memory Cards and Microcontroller Cards ............... 1375.1.2 Advantages and Disadvantages of Contactless Cards ....... 1385.1.2.1 Robustness .............................. 1385.1.2.2 Longevity ............................... 1385.1.2.3 Usability. ............................... 1385.1.2.4 Infrastructure ............................ 1385.1.2.5 Contact Between Card and Reader ............. 1395.1.3 Dual-Interface Cards ............................. 1395.2 MIFARE ............................................ 1395.2.1 MIFARE Overview. ............................... 1395.2.1.1 Success Story ............................ 1405.2.1.2 MIFARE Clone ............................ 1405.2.1.3 MIFARE Hack ............................ 1405.2.1.4 MIFARE Product Overview ................... 1405.2.2 MIFARE Ultralight ................................ 1415.2.2.1 Instruction Set . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1425.2.2.2 Memory Organization ...................... 1445.2.2.3 Security Functions ........................ 1445.2.3 MIFARE Ultralight C .............................. 1455.2.3.1 Instruction Set ........................... 1465.2.3.2 Memory Organization ...................... 1475.2.3.3 Security Functions. ........................ 1475.2.4 MIFARE Classic ................................. 1485.2.4.1 Instruction Set ........................... 1505.2.4.2 Memory Organization ...................... 1515.2.4.3 Security Functions. ........................ 1525.2.5 MIFARE Plus ................................... 1525.2.5.1 Memory Organization ...................... 1525.2.5.2 MIFARE Plus S and MIFARE Plus X .............. 1525.2.5.3 Security Levels ........................... 1535.2.6 MIFARE DESFire (EV1) ............................ 1565.2.6.1 Memory Organization. ...................... 1565.2.6.2 File Types ............................... 1575.2.6.3 Data File ............................... 157copyright Elektor6 Reader Antenna Design ................................... 1596.1 MF RC522 Reader Module ............................... 1596.1.1 Digital Interfaces . ............................... 1606.1.1.1 UART .................................. 1606.1.1.2 SPI ................................... 1606.1.1.3 I 2 C .................................... 1606.1.2 Oscillator. ..................................... 1616.1.3 Analog Interfaces ............................... 1616.1.3.1 Transmitter Outputs ....................... 1616.1.3.2 Receive Input ............................ 1656