mfrc531 NXP Semiconductors, mfrc531 Datasheet - Page 113

• Manufacturer Part Number: mfrc531
• Description: Iso/iec 14443 Reader Ic
• Manufacturer: NXP Semiconductors

NXP Semiconductors
Table 136. Communication error table . . . . . . . . . . . . . . .81
Table 137. Transceive command 1Eh . . . . . . . . . . . . . . .82
Table 138. Meaning of ModemState . . . . . . . . . . . . . . . . .82
Table 139. WriteE2 command 01h . . . . . . . . . . . . . . . . . .84
Table 140. ReadE2 command 03h . . . . . . . . . . . . . . . . . .86
Table 141. LoadConfig command 07h . . . . . . . . . . . . . . .86
Table 142. CalcCRC command 12h . . . . . . . . . . . . . . . . .87
Table 143. CRC coprocessor parameters . . . . . . . . . . . .87
Table 144. ErrorFlag register error flags overview . . . . . .88
Table 145. LoadKeyE2 command 0Bh . . . . . . . . . . . . . . .88
Table 146. LoadKey command 19h . . . . . . . . . . . . . . . . .88
Table 147. Authent1 command 0Ch . . . . . . . . . . . . . . . . .89
Table 148. Authent2 command 14h . . . . . . . . . . . . . . . . .89
Table 149. Limiting values . . . . . . . . . . . . . . . . . . . . . . . . .90
Table 150. Operating condition range . . . . . . . . . . . . . . . .90
Table 151. Current consumption . . . . . . . . . . . . . . . . . . . .91
Table 152. Standard input pin characteristics . . . . . . . . . .91
Table 153. Schmitt trigger input pin characteristics . . . . .91
Table 154. RSTPD input pin characteristics . . . . . . . . . . .92
23. Figures
Fig 1.
Fig 2.
Fig 3.
Fig 4.
Fig 5.
Fig 6.
Fig 7.
Fig 8.
Fig 9.
Fig 10. Quartz clock connection . . . . . . . . . . . . . . . . . . .29
Fig 11. Receiver circuit block diagram . . . . . . . . . . . . . . .33
Fig 12. Automatic Q-clock calibration . . . . . . . . . . . . . . .34
Fig 13. Serial signal switch block diagram . . . . . . . . . . . .36
Fig 14. Crypto1 key handling block diagram . . . . . . . . . .40
Fig 15. Transmitting bit oriented frames . . . . . . . . . . . . .77
Fig 16. Timing for transmitting byte oriented frames . . . .78
Fig 17. Timing for transmitting bit oriented frames. . . . . .78
Fig 18. Card communication state diagram . . . . . . . . . . .83
Fig 19. EEPROM programming timing diagram. . . . . . . .85
Fig 20. Separate read/write strobe timing diagram . . . . .94
Fig 21. Common read/write strobe timing diagram . . . . .95
Fig 22. Timing diagram for common read/write strobe;
Fig 23. Timing diagram for SPI . . . . . . . . . . . . . . . . . . . .97
Fig 24. Application example circuit diagram: directly
MFRC531_34
Product data sheet
PUBLIC
MFRC531 block diagram . . . . . . . . . . . . . . . . . . . .4
MFRC531 pin configuration . . . . . . . . . . . . . . . . . .5
Connection to microprocessor: separate
read and write strobes . . . . . . . . . . . . . . . . . . . . . .8
Connection to microprocessor: common
read and write strobes . . . . . . . . . . . . . . . . . . . . . .9
Connection to microprocessor: EPP common
read/write strobes and handshake. . . . . . . . . . . . .9
Connection to microprocessor: SPI . . . . . . . . . . .10
Key storage format . . . . . . . . . . . . . . . . . . . . . . .16
Timer module block diagram . . . . . . . . . . . . . . . .23
The StartUp procedure. . . . . . . . . . . . . . . . . . . . .27
EPP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .96
Rev. 3.4 — 26 January 2010
056634
Table 155. RX input capacitance and input
Table 156. Digital output pin characteristics . . . . . . . . . . . 92
Table 157. Antenna driver output pin characteristics . . . . 93
Table 158. Timing specification for separate read/write
Table 159. Common read/write strobe timing
Table 160. Common read/write strobe timing
Table 161. SPI timing specification . . . . . . . . . . . . . . . . . 97
Table 162. Clock frequency . . . . . . . . . . . . . . . . . . . . . . . 97
Table 163. EEPROM characteristics . . . . . . . . . . . . . . . . 98
Table 164. Signal routed to pin MFOUT . . . . . . . . . . . . 101
Table 165. Analog test signal selection . . . . . . . . . . . . . 103
Table 166. Digital test signal selection . . . . . . . . . . . . . . 104
Table 167. Abbreviations and acronyms . . . . . . . . . . . . 107
Table 168. Revision history . . . . . . . . . . . . . . . . . . . . . . 108
Fig 25. TX control signals . . . . . . . . . . . . . . . . . . . . . . . 102
Fig 26. RX control signals . . . . . . . . . . . . . . . . . . . . . . . 103
Fig 27. ISO/IEC 14443 A receiving path Q-clock . . . . . 105
Fig 28. Package outline SOT287-1 . . . . . . . . . . . . . . . . 106
matched antenna . . . . . . . . . . . . . . . . . . . . . . . . 98
voltage range . . . . . . . . . . . . . . . . . . . . . . . . . 92
strobe . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93
specification . . . . . . . . . . . . . . . . . . . . . . . . . . 94
specification for EPP . . . . . . . . . . . . . . . . . . . . 95
ISO/IEC 14443 reader IC
MFRC531
© NXP B.V. 2010. All rights reserved.
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