MFRC522 Просмотр технического описания (PDF) - NXP Semiconductors.

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Компоненты Описание

производитель

MFRC522

Standard performance MIFARE and NTAG frontend

NXP Semiconductors. 

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MFOUT

TX bit stream

MILLER

CODER

DIGITAL MODULE

MFRC522

3-state 0

LOW 1

HIGH 2

test bus 3

internal envelope 4

TX serial data stream 5

reserved 6

RX serial data stream 7

MFOutSel[3:0]

3-state 0

TX2

internal envelope 1

MODULATOR

DRIVER

envelope from pin MFIN 2

TX1

HIGH

3

DRIVER

Sel[1:0]

ANALOG MODULE

MFRC522

RX bit stream

MANCHESTER

DECODER

0 LOW

SUBCARRIER

DEMODULATOR

1 Manchester with subcarrier

2 internal modulated

UART 3 NRZ coding without subcarrier (> 106 kBd)

Sel[1:0]

DEMODULATOR

RX

MFIN

001aak594

Fig 21. Overview of MFIN and MFOUT signal routing

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