smart card 98

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Cr Sandeep PatelMehul PatelHArshad ItaliyaPRiyank MehtaTejas Shah

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IntroductionRFID

Smart CardBlock Diagram

MFRC500ISO14443A

WorkingCircuit Diagram

AdvantageLimitation

ApplicationProject Status

Tools we Used.

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SMART CARD is the SMART project for SMART people in this SMART era !

SMART CARD basically works on the principle and Concept of RFID.

The Heart of this Smart Card is MIFARE IC “MFRC 500”“MFRC 500”..... Mifare is the protocol Standardised in ISO 14443A ISO 14443A (Contactless Proximity Smart Cards).

It has fixed frequency for communication and its 13.56MHz

SMART CARD and Reader are the main Part of This System.

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Definition SMART CARD is a (Mostly) Credit-Card Sized device embedded with

either a Memory chip or a Memory chip and Microprocessor

Think of microprocessor smart card as a tiny, portable database and computer that you can carry in your pocket.

Contacts

Chip

Printed Plastic Card

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Computer

Microcontroller

MCU8051

Reader IC

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MFRC500 is The Card reader IC

The MFRC500 is member of a new family of highly integrated reader ICs for contactless Communication on 13.56MHz.

This new reader IC family utilises an outstanding modulation and demodulation concept completely integrated for all major kinds of passive contactless communication methods and protocols on 13.56MHz.

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The internal Tx Part is able to drive a proximity antenna directly without additional active circuitry.

The Rx Part provides a robust and efficient implementation of a demodulation and decoding circuitry for signals of a ISO 14443A compatible transponders.

A Comfortable parallel interface which can be directly connected to any 8-bit microcontroller gives high flexibility for Reader/Terminal design.

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~ Internal Block Diagram of MFRC500 ~

Antenna

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Actually What is ISO 14443A ?

Lets Getting Started……………………

ISO 14443A is Developed and Registered by the Philips Semiconductors.

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Part 1: Physical characteristics•Physical size of the ISO14443A card

Part 2: RF signal & power interface•RF-interface (13.56 MHz, modulation, min. field-strength)

Part 3: Initialization & anti-collision•Start of communication (request, anti-collision, select card)

Bit-wise arbitration

Part 4: Transmission protocols•Describes data exchange between reader and cards(ISO14443A does not specify any specific application, security or encryption)

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Transceive Principle

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ACTIVE State

POWER OFF State

READY State

IDLE State

HALTState

Power on Reset

REQA Command

SELECT Command

HALTCommand

WAKE-UPCommand

Anticollision Loop

Application

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Anti-collision (Arbitration)

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+5 V Regulated Power Supply

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8051 Connections

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MAX232 Connections DB9 Connector

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MFRC500 Connections

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No line of sight is required to reads the tags.Very high speed data transmission.Multiple items can be read at a time.Large data storing capacity.Read/Write/Rewrite capability of tags.High Accuracy of data because of encryption.

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Cost.Lack of standards.Short Range.Only supports ISO 14443A Protocol

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SMART CARD had lack of applications look at them once.

LibraryShopping MallPublic TransportsRoad TollingParkingATM Card

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‽ Schematic Diagram from Circuit is Done.

‽ PCB designing process is Running.

‽ Programming Part is Remaining.

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PROTEL:for designing Schematic of circuit and to design the PCB layout.

KEIL:it is Cross Compiler and Assembler used to write the Program

and convert it into hex file.

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Its Time for Question Answers