PN544 데이터 시트보기 (PDF) - NXP Semiconductors.

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PN544

Near field communication (NFC) controller

NXP Semiconductors. 

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NXP Semiconductors

PN544

Near field communication (NFC) controller

8.1.2 FeliCa PCD mode

The FeliCa mode is the general reader/writer to card communication scheme according to

the FeliCa specification. The following diagram describes the communication on a

physical level, the communication overview describes the physical parameters.

PN544

ISO/IEC 18092 Felica

PCD mode

PCD to PICC 8..30 % ASK

Manchester coded

212..424 kbit

PICC to PCD, >12% ASK Loadmodulation

Manchester coded

212..424 kbit

Card (PICC)

Felica

Fig 5. FeliCa reader/writer Communication Diagram

Table 5. Communication overview for FeliCa reader/writer

Communication

direction

FeliCa

Transfer speed

212 kbit/s

PN544 → card Modulation on reader side

8-30% ASK

bit coding

Manchester Coding

Bitlength

(64/13.56) μs

card → PN544 Loadmodulation on card side >12% ASK

bit coding

Manchester coding

FeliCa Higher

transfer speeds

424 kbit/s

8-30% ASK

Manchester Coding

(32/13.56) μs

>12% ASK

Manchester coding

The contactless UART of PN544 and the on-chip CPU handle the FeliCa protocol.

Nevertheless a dedicated external host has to handle the application layer

communication.

134812

Objective short data sheet

Rev. 1.2 — 4 September 2007

© NXP B.V. 2007. All rights reserved.

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