STMicroelectronics AN3255 Application Note Building an RFID Short-Range Reader

This application note describes how to build an RFID (radio frequency identification) short- range reader using STMicroelectronics STM8S-DISCOVERY and ISO14443 type-B CR14 contactless coupler.

Brand: STMicroelectronics
Document type: Application Note
Language: English
Pages: 24
File format: PDF
File size: 435 KB
Published: 06 August, 2012
Updated: 30 September, 2023
MD5 checksum: 19B8E185E24767405480F8017556D40B
PDF: STMicroelectronics AN3255 Application Note Building an RFID Short-Range Reader PDF

About this manual

This document details how to construct a high-frequency (13.56 MHz) RFID short-range reader for applications such as product authentication, parcel tracking, and library management. The solution utilizes an STMicroelectronics STM8S-DISCOVERY evaluation board connected via I2C bus to a CR14 contactless coupler.

What's inside

Application overview
Short-range communication principles
CR14 contactless coupler
I2C polling using Ack
Reader-tag protocol
Commands and tag states
Hardware requirements
STM8S-DISCOVERY configuration

Frequently asked questions

What frequency does the RFID reader operate at?

The solution operates at a high frequency of 13.56 MHz.

What type of tags are supported by this reader?

The reader supports ISO 14443-2 type-B proximity PICCs (tags).

Download PDF (435 KB)