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PDF PN532 Data sheet ( Hoja de datos )
| Número de pieza | PN532 | |
| Descripción | Near Field Communication (NFC) controller | |
| Fabricantes | NXP Semiconductors | |
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PN532/C1
Near Field Communication (NFC) controller
Rev. 3.2 — 20 September 2012
120132
Product short data sheet
COMPANY PUBLIC
1. General description
The PN532 is a highly integrated transceiver module for contactless communication at
13.56 MHz based on the 80C51 microcontroller core. It supports 6 different operating
modes:
• ISO/IEC 14443A/MIFARE Reader/Writer
• FeliCa Reader/Writer
• ISO/IEC 14443B Reader/Writer
• ISO/IEC 14443A/MIFARE Card MIFARE Classic 1K or MIFARE Classic 4K card
emulation mode
• FeliCa Card emulation
• ISO/IEC 18092, ECMA 340 Peer-to-Peer
The PN532 implements a demodulator and decoder for signals from
ISO/IEC 14443A/MIFARE compatible cards and transponders. The PN532 handles the
complete ISO/IEC 14443A framing and error detection (Parity & CRC).
The PN532 supports MIFARE Classic 1K or MIFARE Classic 4K card emulation mode.
The PN532 supports contactless communication using MIFARE Higher transfer speeds
up to 424 kbit/s in both directions.
The PN532 can demodulate and decode FeliCa coded signals. The PN532 handles the
FeliCa framing and error detection. The PN532 supports contactless communication
using FeliCa Higher transfer speeds up to 424 kbit/s in both directions.
The PN532 supports layers 2 and 3 of the ISO/IEC 14443 B Reader/Writer
communication scheme, except anticollision. This must be implemented in firmware as
well as upper layers.
In card emulation mode, the PN532 is able to answer to a Reader/Writer command either
according to the FeliCa or ISO/IEC 14443A/MIFARE card interface scheme. The PN532
generates the load modulation signals, either from its transmitter or from the LOADMOD
pin driving an external active circuit. A complete secure card functionality is only possible
in combination with a secure IC using the NFC-WI/S2C interface.
Compliant to ECMA 340 and ISO/IEC 18092 NFCIP-1 Passive and Active communication
modes, the PN532 offers the possibility to communicate to another NFCIP-1 compliant
device, at transfer speeds up to 424 kbit/s.The PN532 handles the complete NFCIP-1
framing and error detection.
The PN532 transceiver can be connected to an external antenna for Reader/Writer or
Card/PICC modes, without any additional active component.
1 page  
NXP Semiconductors
6. Block diagram
PN532
VBAT
Power Distribution
PN532/C1
Near Field Communication (NFC) controller
P35 I0 I1
DVDD
LoadMod
Power Clock Reset
controller
(PCR)
80C51
Host
interfaces
RAM
ROM
RAM
Contactless Interface Unit
(CIU)
Oscin Oscout
Fig 1. Block diagram of PN532
AVDD
RX VMID AUX1 AUX2
PN512_C1_SDS
Product short data sheet
COMPANY PUBLIC
All information provided in this document is subject to legal disclaimers.
Rev. 3.2 — 20 September 2012
120132
© NXP B.V. 2012. All rights reserved.
5 of 27
5 Page 
NXP Semiconductors
PN532/C1
Near Field Communication (NFC) controller
7.1.3.2 FeliCa Reader/Writer
The following diagram describes the communication at the physical level. Table 4
describes the physical parameters.
Battery
1. Reader/Writer to Card 8 - 30% ASK,
Manchester Coded,
Baud rate 212 to 424 kbit/s
HOST
PN532
FeliCa
Card
Reader/Writer
2. Card to Reader/Writer, >12% ASK load modulation,
Manchester Coded,
Baud rate 212 to 424 kbit/s
Fig 5. FeliCa Reader/Writer communication diagram
Table 4. Communication overview for FeliCa Reader/Writer
Communication scheme
FeliCa
FeliCa higher baud rate
Baud rate
Bit length
212 kbit/s
-----------6---4----------- 4.72s
13.56MHz
424 kbit/s
-----------3---2----------- 2.36s
13.56MHz
PN532 to
PICC/Card
PICC/Card to
PN532
Modulation
Bit coding
Modulation
Bit coding
8 - 30% ASK
Manchester coding
>12% ASK
Manchester coding
8 - 30% ASK
Manchester coding
>12% ASK
Manchester coding
With appropriate firmware, the PN532 can handle the FeliCa protocol.
The FeliCa Framing and coding must comply with the following table:
Table 5. FeliCa Framing and Coding
Preamble
SYNC
LEN n-Data
00h 00h 00h 00h 00h 00h B2h 4Dh
CRC
To enable the FeliCa communication a 6-byte preamble (00h, 00h, 00h, 00h, 00h, 00h)
and 2-byte SYNC bytes (B2h, 4Dh) are sent to synchronize the receiver.
The following LEN byte indicates the length of the sent data bytes plus the LEN byte itself.
The CRC calculation is done according to the FeliCa definitions with the MSB first.
To transmit data on the RF interface, the 80C51 has to send the LEN and data bytes to the
CIU. The Preamble and SYNC bytes are generated by the CIU automatically and must not
be written to the FIFO. The CIU performs internally the CRC calculation and adds the
result to the frame.
The starting value for the CRC Polynomial is 2 null bytes: (00h), (00h)
Example of frame:
Table 6. FeliCa framing and coding
Preamble
00 00 00 00 00 00
SYNC
B2 4D
LEN 2 Data Bytes CRC
03 AB CD 90 35
PN512_C1_SDS
Product short data sheet
COMPANY PUBLIC
All information provided in this document is subject to legal disclaimers.
Rev. 3.2 — 20 September 2012
120132
© NXP B.V. 2012. All rights reserved.
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