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NXP Semiconductors
UM191812
PN544 C2 User Manual
Please be aware that important notices concerning this document and the product(s)
described herein, have been included in the section 'Legal information'.
© NXP B.V. 2010.
All rights reserved.
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Date of release: 2010-06-16
Document identifier: 191812
Polling Loop .....................................................78
Clock ................................................................81
PollingLoop Management ................................82
Detection Guard Time ......................................83
Activation Timeout for NFC-IP1 Initiator ...........84
NXP_PL_RDPHASES parameter ....................85
NXP_PL_EMULATION, NXP_PL_PAUSE
parameters .......................................................86
NXP_EVT_ACTIVATE_RDPHASE,
NXP_EVT_DEACTIVATE_RDPHASE events..90
Example of Polling Loop ..................................92
NFC-IP1 in Polling Loop...................................93
Multi Secure Element .......................................93
RF Configuration ..............................................93
Card Emulation RF Step ..................................93
NFC-WI ............................................................95
MIFARE PCD ...................................................99
NXP_MIFARE_RAW........................................99
NXP_MIFARE Commands and Registry........100
FeliCa Reader ................................................107
Jewel/Topaz Reader ......................................110
ISO15693 .......................................................113
NFCIP-1 .........................................................115
Initiator ...........................................................118
Target.............................................................125
Reader RF gates – additional commands ......129
Type A PICC ..................................................132
Multiple Type A PICC.....................................132
Type A PCD ...................................................133
Presence check of ISO14443A card: use
NXP_WR_PRESCHECK................................136
Handling of multiple Type A readers ..............136
Type B PICC ..................................................139
Multiple Type B PICC .....................................139
Type B PCD ....................................................................140
Several Type B cards in the RF field: use
NXP_WR_ACTIVATE_NEXT .........................140
Presence check of ISO14443B card: use
NXP_WR_PRESCHECK................................140
Handling of multiple Type B readers ..............140
GPIO(s) ..........................................................141
GPIO Direct Hardware register access...........141
GPIO EEPROM settings access ....................141
Examples........................................................141
Output configuration .......................................142
Read/write an output pin.................................142
Input configuration..........................................143
Read an input pin (write is not possible).........143
Inverse polarity ...............................................143
Download .......................................................144
Switch in ‘Download’ mode.............................144
PN544 Debug Mode.......................................146
SWP digitized .................................................146
PLL Lock & System clock ...............................146
RF Level Detector ..........................................147
RF envelope TX .............................................147
RF Signal RX..................................................147
PN544 Configuration ......................................149
SWP configuration..........................................149
SE configuration .............................................152
HW configuration............................................153
RF configuration .............................................161
PN544 register access ...................................162
GPIO settings .................................................162
Practical Approach on PN544 HCI .................163
Reading PN544 Version Register...................163
PN544 Software & Hardware Version ............164
PN544 Versioning and Configuration
Management ..................................................165