STRFNFCA datasheet(4/74 Pages) STMICROELECTRONICS

4 / 74 page

Description

STRFNFCA

4/74

Doc ID 023077 Rev 10

Description

The STRFNFCA is an integrated transceiver IC for contactless applications.

The STRFNFCA manages frame coding and decoding in Reader, Card Emulation and

Peer-to-Peer modes for standard applications such as near field communication (NFC),

proximity and vicinity standards.

The STRFNFCA embeds an Analog Front End to provide the 13.56 MHz Air Interface.

The STRFNFCA supports ISO/IEC 14443 Type A and B in Reader and Card Emulation

modes, ISO/IEC 15693 (single or double subcarrier in Reader mode only) and ISO/IEC

18092 protocols in Reader and Card Emulation modes.

The STRFNFCA also supports the detection, reading and writing of NFC Forum Type 1, 2, 3

and 4 tags.

1.1

Block diagram

Figure 1.

STRFNFCA application overview

STRFNFCA

Host

Interrupt Management

SPI

UART

Controller

(MCU)

Figure 2.

STRFNFCA block diagram

STRFNFCA

Frame Controller

AFE IP

Configuration

Card

Emulator

14443A/B

18092

Reader

14443A/B

15693

18092

Digital

Tag/Field

Detector

Timer

Accelerators

Encoder/Decoder

FIFO

AFE

Signal

Mux

Mod/

Demod

Tag / field

Detector

Status

registers

User interface

(Set @ POR)

SPI: MISO, MOSI,

SS, and SCK

UART: RX and TX

IRQ control

Power & Clock

Management

Host

(User

Side)

Xin

Xout

TX1

TX2

RX2

RX1

IO_1

IO_8

VPS_TX

GND_TX

VPS_Main

GND_Dig

GND_RX

27.12 MHz

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