CR95HF datasheet(4/63 Pages) STMICROELECTRONICS

Part #	CR95HF

Description	13.56-MHz multi-protocol contactless transceiver IC with SPI and UART serial access

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Description

CR95HF

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Doc ID 018669 Rev 8

1

Description

The CR95HF is an integrated transceiver IC for contactless applications.

The CR95HF manages frame coding and decoding in Reader mode for standard

applications such as near field communication (NFC), proximity and vicinity standards.

The CR95HF embeds an Analog Front End to provide the 13.56 MHz Air Interface.

The CR95HF supports ISO/IEC 14443 Type A and B, ISO/IEC 15693 (single or double

subcarrier) and ISO/IEC 18092 protocols.

The CR95HF also supports the detection, reading and writing of NFC Forum Type 1, 2, 3

and 4 tags.

1.1

Block diagram

Figure 1.

CR95HF application overview

CR95HF

Host

Interrupt Management

SPI

UART

Controller

(MCU)

Figure 2.

CR95HF block diagram

CR95HF

Frame Controller

AFE IP

Configuration

register

Reader

ISO/IEC 14443

Type A and B

ISO/IEC 15693

ISO/IEC 18092

Digital

Tag

Detector

Timer

Accelerators

Encoder/Decoder

FIFO

AFE

Signal

Mux

Mod/

Demod

Tag

Detector

Status

registers

User interface

SPI

UART

Interrupt

Power & Clock

Management

Host

(User

Side)

XIN

XOUT

TX1

TX2

RX2

RX1

VPS_TX

GND_TX

VPS_Main

GND_Dig

GND_RX

27.12 MHz

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