PN544 데이터 시트보기 (PDF) - NXP Semiconductors.
부품명
상세내역
일치하는 목록
PN544 Datasheet PDF : 34 Pages
| |||
www.DataSheet.co.kr
NXP Semiconductors
PN544
Near field communication (NFC) controller
Table 4. Communication overview for ISO/IEC 14443A/Mifare reader/writer
Communication
direction
ISO 14443A/
Mifare
ISO 14443A higher transfer speeds
transfer
speed
106 kbit/s
212 kbit/s 424 kbit/s 848 kbit/s
PN544 →
PICC (send data
from the PN544
to a card)
Modulation
on reader
side
bit coding
100% ASK
100% ASK 100% ASK 100% ASK
Modified Miller Modified
Modified
Modified
coding
Miller coding Miller coding Miller coding
Bitlength
(128/13.56) μs (64/13.56) μs (32/13.56) μs (16/13.56) μs
PICC →
modulation
PN544 (receive on card side
data from a card)
subcarrier load subcarrier
modulation
load
modulation
subcarrier
load
modulation
subcarrier
load
modulation
subcarrier
frequency
13.56 MHz/16 13.56 MHz/16 13.56 MHz/16 13.56 MHz/16
bit coding
Manchester
coding
BPSK
BPSK
BPSK
The contactless UART and the on-chip CPU of the PN544 handle the complete
ISO/IEC 14443-A/Mifare RF-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.
10 of 34
Share Link: 