Datasheet

PN512 All information provided in this document is subject to legal disclaimers. © NXP Semiconductors N.V. 2016. All rights reserved.
Product data sheet
COMPANY PUBLIC
Rev. 5.2 — 16 June 2016
111352 104 of 137
NXP Semiconductors
PN512
Full NFC Forum-compliant frontend
NFCIP-1 106 kbps Passive Communication mode:
The MIFARE anticollision is finished and the command has automatically changed to
Transceive. The FIFO contains the ATR_REQ frame including the start byte F0h. The bit
TargetActivated in the Status2Reg register is set to logic 1.
NFCIP-1 212/424 kbps Passive Communication mode:
The FeliCa polling command is finished and the command has automatically changed to
Transceive. The FIFO contains the ATR_REQ. The bit TargetActivated in the Status2Reg
register is set to logic 1.
NFCIP-1 106/212/424 kbps Active Communication mode:
This command is changing the automatically to the command Transceive. The FIFO
contains the ATR REQ The bit TargetActivated in the Status2Reg register is set to logic 0.
For 106 kbps only, the first byte in the FIFO indicates the start byte F0h and the CRC is
added to the FIFO.
Fig 37. Autocoll Command
NFCIP-1 106 kB aud
ISO14443-3
NPCIP-1 > 106 kB aud
FELICA
IDLE MODEO
MODE
detection
RXF
raming
MFHalted = 1
HALT
AC
nAC
SELECT
nSELECT
HLTA
AC
polling,
polling response
next frame
received
next frame
received
REQA, WUPA
READY
ACTIVE
WUPA
SELECT
SELECT
READY*
ACTIVE*
TRANSCEIVE
wait for
transmit
next frame
received
N
J
HLTA
REQA,
WUPA,
AC,
nAC,
SELECT,
nSELECT,
error
REQA,
AC,
nAC,
SELECT,
nSELECT,
HLTA
REQA,
WUPA,
nAC,
nSELECT,
HLTA,
error
REQA,
WUPA,
nAC,
nSELECT,
HLTA,
error
REQA,
WUPA,
AC,
SELECT,
nSELECT,
error
00 10
AC
aaa-001826