MFRC522_(2007) 查看數據表（PDF） - NXP Semiconductors.

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MFRC522_
(Rev.:2007)

Contactless Reader IC

NXP Semiconductors. 

NXP Semiconductors

34. Figures

Fig 1. Simplified MFRC522 Block diagram . . . . . . . 5

Fig 2. MFRC522 Block diagram . . . . . . . . . . . . . . . 6

Fig 3. Pinning configuration HVQFN32 (SOT617-1).

7

Fig 4. MFRC522 Reader/Writer mode. . . . . . . . . . . 9

Fig 5. ISO/IEC 14443A/MIFARE® Reader/Writer

mode communication diagram. . . . . . . . . . . . 9

Fig 6. Data Coding and framing according to

ISO/IEC 14443A.. . . . . . . . . . . . . . . . . . . . . 10

Fig 7. Connection to host with SPI . . . . . . . . . . . . 47

Fig 8. Connection to m-Controllers with UART.. . . 48

Fig 9. Schematic Diagram to Read Data. . . . . . . . 50

Fig 10. Schematic Diagram to Write Data. . . . . . . . 51

Fig 11. I2C interface. . . . . . . . . . . . . . . . . . . . . . . . . 52

Fig 12. Bit transfer on the I2C-bus. . . . . . . . . . . . . . 53

Fig 13. START and STOP conditions. . . . . . . . . . . . 53

Fig 14. Acknowledge on the I2C- bus. . . . . . . . . . . 54

Fig 15. Data transfer on the I2C- bus. . . . . . . . . . . . 55

Fig 16. First byte following the START procedure. . 56

Fig 17. Register Read and Write Access . . . . . . . . 57

Fig 18. I2C HS mode protocol switch . . . . . . . . . . . 58

Fig 19. I2C HS mode protocol frame. . . . . . . . . . . . 59

Fig 20. Serial data switch for TX1 and TX2. . . . . . . 63

Fig 21. Overview MFIN/MFOUT Signal Routing . . . 64

Fig 22. Ouartz Connection . . . . . . . . . . . . . . . . . . . 69

Fig 23. Oscillator Startup time. . . . . . . . . . . . . . . . . 71

Fig 24. Output TestDAC 1 on AUX1 and TestDAC 2 on

AUX2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79

Fig 25. Output Testsignal Corr1 on AUX1 and

MinLevel on AUX2. . . . . . . . . . . . . . . . . . . . 80

Fig 26. Output ADC channel I on AUX 1 and ADC

channel Q on AUX 2. . . . . . . . . . . . . . . . . . 80

Fig 27. Output RxActive on AUX 1 and TxActive on

AUX 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81

Fig 28. Output Rx data stream on AUX 1 and AUX 2.

82

Fig 29. RX Input Voltage Range . . . . . . . . . . . . . . . 88

Fig 30. Timing Diagram for SPI. . . . . . . . . . . . . . . . 90

Fig 31. Timing for F/S mode devices on the I2C-bus. .

91

Fig 32. Typical Application Circuit Diagram. . . . . . . 92

Fig 33. Package outline package version (HVQFN32)

93

Fig 34. Packing Information 1 Tray . . . . . . . . . . . . . 95

Fig 35. Packing Information 5Tray . . . . . . . . . . . . . 96

112132

Product data sheet

Rev. 3.2 — 22 May 2007

MFRC522

Contactless Reader IC

continued >>

© NXP B.V. 2007. All rights reserved.

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